add missing percpu_timer_setup call to boot cpu

Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Change-Id: I4bf7d978161ad62ac460d8ef7cc451b27935e726
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/2418
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
1 file changed