defconfig : enable quota feature for msm8909w

The Android O upgrade mandates disk quota feature to be enabled by
default on /data. Hence, enable the required kernel config options to
support the same.

Change-Id: Ib9e3bc19e1861507a43d4033eebe11d71394ebbf
Signed-off-by: Ankit Jain <jankit@codeaurora.org>