ARM: exynos: remove custom .init_time hook

With arch/arm calling of_clk_init(NULL) from time_init(), we can now
remove custom .init_time hooks. While at it, also remove some now
redundant includes.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>

arch/arm/mach-exynos/common.c

@@ -26,8 +26,6 @@
 #include <linux/export.h>
 #include <linux/irqdomain.h>
 #include <linux/of_address.h>
-#include <linux/clocksource.h>
-#include <linux/clk-provider.h>
 #include <linux/irqchip/arm-gic.h>
 #include <linux/irqchip/chained_irq.h>
 
@@ -367,12 +365,6 @@ static void __init exynos5_map_io(void)
 		iotable_init(exynos5250_iodesc, ARRAY_SIZE(exynos5250_iodesc));
 }
 
-void __init exynos_init_time(void)
-{
-	of_clk_init(NULL);
-	clocksource_of_init();
-}
-
 struct bus_type exynos_subsys = {
 	.name		= "exynos-core",
 	.dev_name	= "exynos-core",

arch/arm/mach-exynos/common.h

@@ -16,7 +16,6 @@
 #include <linux/of.h>
 
 void mct_init(void __iomem *base, int irq_g0, int irq_l0, int irq_l1);
-void exynos_init_time(void);
 
 struct map_desc;
 void exynos_init_io(void);

arch/arm/mach-exynos/mach-exynos4-dt.c

@@ -16,7 +16,6 @@
 #include <linux/of_fdt.h>
 #include <linux/serial_core.h>
 #include <linux/memblock.h>
-#include <linux/clocksource.h>
 
 #include <asm/mach/arch.h>
 #include <plat/mfc.h>
@@ -54,7 +53,6 @@ DT_MACHINE_START(EXYNOS4210_DT, "Samsung Exynos4 (Flattened Device Tree)")
 	.init_early	= exynos_firmware_init,
 	.init_machine	= exynos4_dt_machine_init,
 	.init_late	= exynos_init_late,
-	.init_time	= exynos_init_time,
 	.dt_compat	= exynos4_dt_compat,
 	.restart        = exynos4_restart,
 	.reserve	= exynos4_reserve,

arch/arm/mach-exynos/mach-exynos5-dt.c

@@ -13,7 +13,6 @@
 #include <linux/of_fdt.h>
 #include <linux/memblock.h>
 #include <linux/io.h>
-#include <linux/clocksource.h>
 
 #include <asm/mach/arch.h>
 #include <mach/regs-pmu.h>
@@ -76,7 +75,6 @@ DT_MACHINE_START(EXYNOS5_DT, "SAMSUNG EXYNOS5 (Flattened Device Tree)")
 	.map_io		= exynos_init_io,
 	.init_machine	= exynos5_dt_machine_init,
 	.init_late	= exynos_init_late,
-	.init_time	= exynos_init_time,
 	.dt_compat	= exynos5_dt_compat,
 	.restart        = exynos5_restart,
 	.reserve	= exynos5_reserve,