arm: omap2: timer: rename omap_sync32k_timer_init()

this function is not only about the 32k sync
timer, it's OMAP's generic init_time implementation.

Let's rename it to make that detail easier to
notice.

Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index 851f3ad..d024b2b 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -492,7 +492,7 @@
 		omap2_sync32k_clocksource_init();
 }
 
-void __init omap_sync32k_timer_init(void)
+void __init omap_init_time(void)
 {
 	__omap_sync32k_timer_init(1, "timer_32k_ck", "ti,timer-alwon",
 			2, "timer_sys_ck", NULL, false);