defconfig: msm8916: remove UFS driver compilation

UFS is not supported on 8916 and hence remove the UFS
driver from compiling on 64-bit kernel.

Change-Id: I16618cb4e561461aad3eb5ae1056b7f31fc9a92e
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>