omap2+: Remove omap2_gp_clockevent_set_gptimer

This is no longer needed as we now just set the desired
.timer in MACHINE_START. We can now also remove timer-gp.h.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
9 files changed