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 --cc arch/arm/mach-omap2/board-generic.c
Simple merge

diff --cc arch/arm/mach-omap2/board-ldp.c
Simple merge

diff --cc arch/arm/mach-omap2/board-rx51.c
Simple merge

diff --cc arch/arm/mach-omap2/common.h
Simple merge

diff --cc arch/arm/mach-omap2/timer.c
Simple merge