clk: prima2: move from arch/arm/mach to drivers/clk

Signed-off-by: Barry Song <[e-mail]>
Acked-by: Arnd Bergmann <[e-mail]>
Signed-off-by: Mike Turquette <[e-mail]>

arch/arm/mach-prima2/Makefile

···
 obj-y := timer.o
 obj-y += irq.o
-obj-y += clock.o
 obj-y += rstc.o
 obj-y += prima2.o
 obj-y += rtciobrg.o

drivers/clk/Makefile

···
 obj-$(CONFIG_PLAT_SPEAR)	+= spear/
 obj-$(CONFIG_ARCH_U300)		+= clk-u300.o
 obj-$(CONFIG_ARCH_INTEGRATOR)	+= versatile/
+obj-$(CONFIG_ARCH_PRIMA2)	+= clk-prima2.o
 
 # Chip specific
 obj-$(CONFIG_COMMON_CLK_WM831X) += clk-wm831x.o