mainboards/lenovo/t400: Remove X200-specific code

Change-Id: Ic3503938b996bbf31f1417923f019a7bc722b9fd
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/10429
Reviewed-by: Edward O'Callaghan <edward.ocallaghan@koparo.com>
Tested-by: build bot (Jenkins)

src/mainboard/lenovo/t400/Kconfig

@@ -1,4 +1,4 @@
-if BOARD_LENOVO_X200
+if BOARD_LENOVO_T400
 
 config BOARD_SPECIFIC_OPTIONS # dummy
 	def_bool y
@@ -22,15 +22,14 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select MAINBOARD_HAS_NATIVE_VGA_INIT_TEXTMODECFG
 	select INTEL_INT15
 	select SUPERIO_NSC_PC87382
-	select DRIVERS_LENOVO_WACOM
 
 config MAINBOARD_DIR
 	string
-	default lenovo/x200
+	default lenovo/t400
 
 config MAINBOARD_PART_NUMBER
 	string
-	default "ThinkPad X200"
+	default "ThinkPad T400"
 
 config MMCONF_BASE_ADDRESS
 	hex
@@ -48,4 +47,4 @@ config CBFS_SIZE
 	hex
 	default 0x200000
 
-endif # BOARD_LENOVO_X200
+endif # BOARD_LENOVO_T400

src/mainboard/lenovo/t400/Kconfig.name

@@ -1,2 +1,2 @@
-config BOARD_LENOVO_X200
-	bool "ThinkPad X200 / X200t"
+config BOARD_LENOVO_T400
+	bool "ThinkPad T400"

src/mainboard/lenovo/t400/devicetree.cb

@@ -181,12 +181,7 @@ chip northbridge/intel/gm45
 				end
 
 				chip superio/nsc/pc87382
-					device pnp 164e.3 on # Digitizer
-						io 0x60 = 0x200
-						irq 0x29 = 0xb0
-						irq 0x70 = 0x5
-						irq 0xf0 = 0x82
-					end
+					device pnp 164e.3 off end
 					# IR, not connected
 					device pnp 164e.2 off end
 					# GPIO, not connected

src/mainboard/lenovo/t400/dock.h

@@ -17,8 +17,8 @@
  * Foundation, Inc.
  */
 
-#ifndef THINKPAD_X200_DOCK_H
-#define THINKPAD_X200_DOCK_H
+#ifndef THINKPAD_T400_DOCK_H
+#define THINKPAD_T400_DOCK_H
 
 extern void dock_connect(void);
 extern void dock_disconnect(void);

src/mainboard/lenovo/t400/mainboard.c

@@ -34,7 +34,6 @@
 
 static void fill_ssdt(void)
 {
-	drivers_lenovo_serial_ports_ssdt_generate("\\_SB.PCI0.LPCB", 0);
 }
 
 static void mainboard_enable(device_t dev)