ARM: SAMSUNG: Move all platforms to new clocksource driver

This patch moves all Samsung platforms using PWM clocksource from legacy
samsung-time to new samsung-pwm-timer driver.

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Mark Brown <broonie@linaro.org>
Tested-by: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 43594d5..341b756 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -700,7 +700,7 @@
 	select ARCH_HAS_CPUFREQ
 	select ARCH_REQUIRE_GPIOLIB
 	select CLKDEV_LOOKUP
-	select CLKSRC_MMIO
+	select CLKSRC_SAMSUNG_PWM
 	select GENERIC_CLOCKEVENTS
 	select GPIO_SAMSUNG
 	select HAVE_CLK
@@ -723,7 +723,7 @@
 	select ARCH_REQUIRE_GPIOLIB
 	select ARM_VIC
 	select CLKDEV_LOOKUP
-	select CLKSRC_MMIO
+	select CLKSRC_SAMSUNG_PWM
 	select CPU_V6
 	select GENERIC_CLOCKEVENTS
 	select GPIO_SAMSUNG
@@ -748,7 +748,7 @@
 config ARCH_S5P64X0
 	bool "Samsung S5P6440 S5P6450"
 	select CLKDEV_LOOKUP
-	select CLKSRC_MMIO
+	select CLKSRC_SAMSUNG_PWM
 	select CPU_V6
 	select GENERIC_CLOCKEVENTS
 	select GPIO_SAMSUNG
@@ -767,7 +767,7 @@
 	bool "Samsung S5PC100"
 	select ARCH_REQUIRE_GPIOLIB
 	select CLKDEV_LOOKUP
-	select CLKSRC_MMIO
+	select CLKSRC_SAMSUNG_PWM
 	select CPU_V7
 	select GENERIC_CLOCKEVENTS
 	select GPIO_SAMSUNG
@@ -787,7 +787,7 @@
 	select ARCH_HAS_HOLES_MEMORYMODEL
 	select ARCH_SPARSEMEM_ENABLE
 	select CLKDEV_LOOKUP
-	select CLKSRC_MMIO
+	select CLKSRC_SAMSUNG_PWM
 	select CPU_V7
 	select GENERIC_CLOCKEVENTS
 	select GPIO_SAMSUNG