ARM: OMAP: Turn CM and PRM access into functions

Otherwise compiling in omap2 and omap3 will not work.

Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h
index d5980a9..f979485 100644
--- a/arch/arm/mach-omap2/clock.h
+++ b/arch/arm/mach-omap2/clock.h
@@ -42,6 +42,7 @@
 int omap2_clksel_set_rate(struct clk *clk, unsigned long rate);
 u32 omap2_get_dpll_rate(struct clk *clk);
 int omap2_wait_clock_ready(void __iomem *reg, u32 cval, const char *name);
+void omap2_clk_prepare_for_reboot(void);
 
 extern u8 cpu_mask;