src/ec,mainboard: Move weak smbios_system_sku() override inwards

Internalise smbios_system_sku() strong symbol inwards in the ec_skuid.c
implementation and simply wrap a call to:
google_chromeec_smbios_system_sku().

BUG=b:150735116
BRANCH=none
TEST=none

Change-Id: I05ebfc8126c0fb176ca52c307c658f50611ab6ab
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39146
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/ec/google/chromeec/ec_skuid.c

@@ -11,6 +11,7 @@
 #include <ec/google/chromeec/ec.h>
 #include <console/console.h>
 #include <string.h>
+#include <smbios.h>
 
 #define SKU_UNKNOWN		0xFFFFFFFF
 
@@ -34,3 +35,8 @@ const char *google_chromeec_smbios_system_sku(void)
 	snprintf(sku_str, sizeof(sku_str), "sku%u", sku_id);
 	return sku_str;
 }
+
+const char *smbios_system_sku(void)
+{
+	return google_chromeec_smbios_system_sku();
+}

src/mainboard/google/dedede/board_info.c

@@ -12,11 +12,6 @@
 #include <smbios.h>
 #include <string.h>
 
-const char *smbios_system_sku(void)
-{
-	return google_chromeec_smbios_system_sku();
-}
-
 const char *smbios_mainboard_manufacturer(void)
 {
 	static char oem_name[32];

src/mainboard/google/hatch/mainboard.c

@@ -21,11 +21,6 @@
 #include <string.h>
 #include <stdint.h>
 
-const char *smbios_system_sku(void)
-{
-	return google_chromeec_smbios_system_sku();
-}
-
 const char *smbios_mainboard_manufacturer(void)
 {
 	static char oem_name[32];

src/mainboard/google/octopus/Makefile.inc

@@ -5,7 +5,6 @@ romstage-$(CONFIG_CHROMEOS) += chromeos.c
 
 ramstage-$(CONFIG_CHROMEOS) += chromeos.c
 ramstage-y += ec.c
-ramstage-y += mainboard_misc.c
 ramstage-y += mainboard.c
 
 verstage-$(CONFIG_CHROMEOS) += chromeos.c

src/mainboard/google/octopus/mainboard_misc.c

@@ -1,27 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2019 Intel Corp.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <baseboard/variants.h>
-#include <boardid.h>
-#include <console/console.h>
-#include <ec/google/chromeec/ec.h>
-#include <ec/ec.h>
-#include <smbios.h>
-#include <string.h>
-
-const char *smbios_system_sku(void)
-{
-	return google_chromeec_smbios_system_sku();
-}

src/mainboard/google/volteer/mainboard.c

@@ -17,11 +17,6 @@
 #include <vendorcode/google/chromeos/chromeos.h>
 #include <variant/gpio.h>
 
-const char *smbios_system_sku(void)
-{
-	return google_chromeec_smbios_system_sku();
-}
-
 static void mainboard_init(struct device *dev)
 {
 	mainboard_ec_init();