OMAP: clockdomain: Arch specific funcs for hwsup control of clkdm

Define the following architecture specific funtions for omap2/3/4
.clkdm_allow_idle
.clkdm_deny_idle

Convert the platform-independent framework to call these functions.
Also rename the api's by removing the omap2_ preamble.
Hence call omap2_clkdm_allow_idle as clkdm_allow_idle and
omap2_clkdm_deny_idle as clkdm_deny_idle.

Make the _clkdm_add_autodeps and _clkdm_del_autodeps as non-static
so they can be accessed from OMAP2/3 platform specific code.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c
index 4125621..e983c83 100644
--- a/arch/arm/mach-omap2/pm24xx.c
+++ b/arch/arm/mach-omap2/pm24xx.c
@@ -367,7 +367,7 @@
 	clkdm_clear_all_sleepdeps(clkdm);
 
 	if (clkdm->flags & CLKDM_CAN_ENABLE_AUTO)
-		omap2_clkdm_allow_idle(clkdm);
+		clkdm_allow_idle(clkdm);
 	else if (clkdm->flags & CLKDM_CAN_FORCE_SLEEP &&
 		 atomic_read(&clkdm->usecount) == 0)
 		clkdm_sleep(clkdm);