defconfig: msm: Config Cleanup on SDM450

Disabling few extra configs seen on 4.9 compared to 3.18 kernel,
SLAB got decreased by 10MB

Change-Id: Ic8dd86d648b475fc4a99114af4a4ccd1adfb43dc
Signed-off-by: Manapragada Sai <smanapra@codeaurora.org>
4 files changed