arm: omap2: board-generic: use omap4_local_timer_init for AM437x

AM437x-based boards, can use omap4_local_timer_init()
just fine. Let's use that instead.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
1 file changed