defconfig: Enable Mobicore Driver.

Added support to Mobicore driver. Mobicore is an operating
system being shipped with TZBSP on msm8960. Mobicore consists
of several components in the secure world(Trustzone) and non-
secure world(linux kernel, Android user space). The Mobicore
driver communicates with the Mobicore kernel that exists in
the trustzone.

Change-Id: I09e866ce98cd216bf1a96b2fa68b1d9b08dd0d9e
Signed-off-by: Mona Hossain <mhossain@codeaurora.org>