arm64: defconfig: Enable pin control driver for msmskunk

Compilation of MSMSKUNK & SDMBAT platform specific tlmm pin control
driver required to define pin struture and allow clients to configure,
multiplex and control the behavior of pins

Change-Id: I119c5170ce5c8912822508d083cc28311e84766b
Signed-off-by: Channagoud Kadabi <ckadabi@codeaurora.org>