Merge 80d3699c: gralloc: Fix division-by-0 during system emulation.

This patch avoids a division-by-0 when the system is running
under emulation (the kernel driver reports pixclock as 0, for
some reason). Which results in a SIGFPE during the boot sequence.

Change-Id: Ia9febdf143dcbce9837ca89c641e95dce3a888bb
1 file changed