dm: wdt: Move s5p watchdog timer to drivers/watchdog/

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: David Müller <d.mueller@elsoft.ch>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: U-Boot DM <u-boot-dm@lists.denx.de>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

arch/arm/cpu/armv7/s5p-common/Makefile

@@ -28,7 +28,6 @@ LIB	= $(obj)libs5p-common.o
 COBJS-y		+= cpu_info.o
 COBJS-y		+= timer.o
 COBJS-y		+= sromc.o
-COBJS-y		+= wdt.o
 COBJS-$(CONFIG_PWM)	+= pwm.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)

drivers/watchdog/Makefile

@@ -28,6 +28,7 @@ LIB	:= $(obj)libwatchdog.o
 COBJS-$(CONFIG_AT91SAM9_WATCHDOG) += at91sam9_wdt.o
 COBJS-$(CONFIG_FTWDT010_WATCHDOG) += ftwdt010_wdt.o
 COBJS-$(CONFIG_TNETV107X_WATCHDOG) += tnetv107x_wdt.o
+COBJS-$(CONFIG_S5P)               += s5p_wdt.o
 
 COBJS	:= $(COBJS-y)
 SRCS	:= $(COBJS:.o=.c)