Remove useless extern gnvs declaration in smi handlers.

Change-Id: I3047badea8d4f61155f4e4f7d3d078426948162a
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/10228
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

src/mainboard/apple/macbook21/smihandler.c

@@ -29,11 +29,6 @@
 
 #define GPE_EC_SCI	12
 
-/* The southbridge SMI handler checks whether gnvs has a
- * valid pointer before calling the trap handler
- */
-extern global_nvs_t *gnvs;
-
 static void mainboard_smm_init(void)
 {
 	printk(BIOS_DEBUG, "initializing SMI\n");

src/mainboard/gigabyte/ga-b75m-d3h/mainboard_smi.c

@@ -31,11 +31,6 @@
 #include <northbridge/intel/sandybridge/sandybridge.h>
 #include <cpu/intel/model_206ax/model_206ax.h>
 
-/* The southbridge SMI handler checks whether gnvs has a
- * valid pointer before calling the trap handler
- */
-extern global_nvs_t *gnvs;
-
 static void mainboard_smm_init(void)
 {
 	printk(BIOS_DEBUG, "initializing SMI\n");

src/mainboard/gigabyte/ga-b75m-d3v/mainboard_smi.c

@@ -31,11 +31,6 @@
 #include <northbridge/intel/sandybridge/sandybridge.h>
 #include <cpu/intel/model_206ax/model_206ax.h>
 
-/* The southbridge SMI handler checks whether gnvs has a
- * valid pointer before calling the trap handler
- */
-extern global_nvs_t *gnvs;
-
 static void mainboard_smm_init(void)
 {
 	printk(BIOS_DEBUG, "initializing SMI\n");

src/mainboard/lenovo/t420s/smihandler.c

@@ -36,11 +36,6 @@
 #define GPE_EC_SCI	1
 #define GPE_EC_WAKE	13
 
-/* The southbridge SMI handler checks whether gnvs has a
- * valid pointer before calling the trap handler
- */
-extern global_nvs_t *gnvs;
-
 static void mainboard_smm_init(void)
 {
 	printk(BIOS_DEBUG, "initializing SMI\n");

src/mainboard/lenovo/t430s/smihandler.c

@@ -34,11 +34,6 @@
 #define GPE_EC_SCI	1
 #define GPE_EC_WAKE	13
 
-/* The southbridge SMI handler checks whether gnvs has a
- * valid pointer before calling the trap handler
- */
-extern global_nvs_t *gnvs;
-
 static void mainboard_smm_init(void)
 {
 	printk(BIOS_DEBUG, "initializing SMI\n");

src/mainboard/lenovo/t520/smihandler.c

@@ -36,11 +36,6 @@
 #define GPE_EC_SCI	1
 #define GPE_EC_WAKE	13
 
-/* The southbridge SMI handler checks whether gnvs has a
- * valid pointer before calling the trap handler
- */
-extern global_nvs_t *gnvs;
-
 static void mainboard_smm_init(void)
 {
 	printk(BIOS_DEBUG, "initializing SMI\n");

src/mainboard/lenovo/t530/smihandler.c

@@ -36,11 +36,6 @@
 #define GPE_EC_SCI	1
 #define GPE_EC_WAKE	13
 
-/* The southbridge SMI handler checks whether gnvs has a
- * valid pointer before calling the trap handler
- */
-extern global_nvs_t *gnvs;
-
 static void mainboard_smm_init(void)
 {
 	printk(BIOS_DEBUG, "initializing SMI\n");

src/mainboard/lenovo/t60/smihandler.c

@@ -31,10 +31,6 @@
 #define GPE_EC_SCI	12
 
 #define LVTMA_BL_MOD_LEVEL 0x7af9 /* ATI Radeon backlight level */
-/* The southbridge SMI handler checks whether gnvs has a
- * valid pointer before calling the trap handler
- */
-extern global_nvs_t *gnvs;
 
 static void mainboard_smm_init(void)
 {

src/mainboard/lenovo/x201/smihandler.c

@@ -37,11 +37,6 @@
 #define GPE_EC_SCI	1
 #define GPE_EC_WAKE	13
 
-/* The southbridge SMI handler checks whether gnvs has a
- * valid pointer before calling the trap handler
- */
-extern global_nvs_t *gnvs;
-
 static void mainboard_smm_init(void)
 {
 	printk(BIOS_DEBUG, "initializing SMI\n");

src/mainboard/lenovo/x220/smihandler.c

@@ -36,11 +36,6 @@
 #define GPE_EC_SCI	1
 #define GPE_EC_WAKE	13
 
-/* The southbridge SMI handler checks whether gnvs has a
- * valid pointer before calling the trap handler
- */
-extern global_nvs_t *gnvs;
-
 static void mainboard_smm_init(void)
 {
 	printk(BIOS_DEBUG, "initializing SMI\n");

src/mainboard/lenovo/x230/smihandler.c

@@ -36,11 +36,6 @@
 #define GPE_EC_SCI	1
 #define GPE_EC_WAKE	13
 
-/* The southbridge SMI handler checks whether gnvs has a
- * valid pointer before calling the trap handler
- */
-extern global_nvs_t *gnvs;
-
 static void mainboard_smm_init(void)
 {
 	printk(BIOS_DEBUG, "initializing SMI\n");

src/mainboard/lenovo/x60/smihandler.c

@@ -33,11 +33,6 @@
 
 #define GPE_EC_SCI	12
 
-/* The southbridge SMI handler checks whether gnvs has a
- * valid pointer before calling the trap handler
- */
-extern global_nvs_t *gnvs;
-
 static void mainboard_smm_init(void)
 {
 	printk(BIOS_DEBUG, "initializing SMI\n");

src/mainboard/packardbell/ms2290/smihandler.c

@@ -31,11 +31,6 @@
 #include <pc80/mc146818rtc.h>
 #include <delay.h>
 
-/* The southbridge SMI handler checks whether gnvs has a
- * valid pointer before calling the trap handler
- */
-extern global_nvs_t *gnvs;
-
 static void mainboard_smm_init(void)
 {
 	printk(BIOS_DEBUG, "initializing SMI\n");