ARM: SAMSUNG: Make WDT driver dependency SoC specific instead of machine specific

This patch moves the dependency of watchdog timer driver from MACH_XXX(board)
to ARCH_XXX(SoC). This will enable all machines using Samsung S3C64XX and S5P
SoCs to use the WDT driver by default.

Signed-off-by: Banajit Goswami <banajit.g@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

Conflicts:

	arch/arm/Kconfig
	arch/arm/mach-s3c64xx/Kconfig
	arch/arm/mach-s5p6442/Kconfig
	arch/arm/mach-s5pc100/Kconfig
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index bc9506c..3b5add1 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -665,6 +665,7 @@
 	select USB_ARCH_HAS_OHCI
 	select SAMSUNG_GPIOLIB_4BIT
 	select HAVE_S3C2410_I2C
+	select HAVE_S3C2410_WATCHDOG
 	help
 	  Samsung S3C64XX series based systems
 
@@ -673,6 +674,7 @@
 	select CPU_V6
 	select GENERIC_GPIO
 	select HAVE_CLK
+	select HAVE_S3C2410_WATCHDOG
 	select ARCH_USES_GETTIMEOFFSET
 	select HAVE_S3C2410_I2C
 	select HAVE_S3C_RTC
@@ -685,6 +687,7 @@
 	select GENERIC_GPIO
 	select HAVE_CLK
 	select ARCH_USES_GETTIMEOFFSET
+	select HAVE_S3C2410_WATCHDOG
 	help
 	  Samsung S5P6442 CPU based systems
 
@@ -697,6 +700,7 @@
 	select ARCH_USES_GETTIMEOFFSET
 	select HAVE_S3C2410_I2C
 	select HAVE_S3C_RTC
+	select HAVE_S3C2410_WATCHDOG
 	help
 	  Samsung S5PC100 series based systems
 
@@ -709,6 +713,7 @@
 	select ARCH_USES_GETTIMEOFFSET
 	select HAVE_S3C2410_I2C
 	select HAVE_S3C_RTC
+	select HAVE_S3C2410_WATCHDOG
 	help
 	  Samsung S5PV210/S5PC110 series based systems