msm: pm-boot: Enable boot remapper for 8x25Q

Configure the boot remapper register for C2 and C3 cores.
When the cores C2/C3 come out of LPM (PC & GDFS), they
start executing from the address configured in the boot
remapper register.

Change-Id: Ia7c5c2c8d568185e0d47466e42979524c36a55fc
Signed-off-by: Murali Nalajala <mnalajal@codeaurora.org>