ARM: SAMSUNG: Let platforms use the new watchdog reset driver

This patch moves all platforms using the legacy watchdog reset helper
function to the new watchdog reset driver.

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Tested-by: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 49d993c..40f63f4 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -729,6 +729,7 @@
 	select SAMSUNG_CLKSRC
 	select SAMSUNG_GPIOLIB_4BIT
 	select SAMSUNG_IRQ_VIC_TIMER
+	select SAMSUNG_WDT_RESET
 	select USB_ARCH_HAS_OHCI
 	help
 	  Samsung S3C64XX series based systems
@@ -744,6 +745,7 @@
 	select HAVE_S3C2410_WATCHDOG if WATCHDOG
 	select HAVE_S3C_RTC if RTC_CLASS
 	select NEED_MACH_GPIO_H
+	select SAMSUNG_WDT_RESET
 	help
 	  Samsung S5P64X0 CPU based systems, such as the Samsung SMDK6440,
 	  SMDK6450.
@@ -760,6 +762,7 @@
 	select HAVE_S3C2410_WATCHDOG if WATCHDOG
 	select HAVE_S3C_RTC if RTC_CLASS
 	select NEED_MACH_GPIO_H
+	select SAMSUNG_WDT_RESET
 	help
 	  Samsung S5PC100 series based systems