defconfig: msmcortex: Enable PAN emulation

Privilege Access Never (PAN) enforces the usage of
copy_to_user/copy_from_user and friends when kernel accesses data from
user space. If user space memory is accessed outside of these functions
a kernel panic occurs.

Change-Id: Ic32ad8ecb6d921293fca74664116098723afc436
Signed-off-by: Olav Haugan <ohaugan@codeaurora.org>