defconfig: msm8974: enable multiple options needed

Enabling multiple defconfig options: netfilter, debug etc., sync up
with 8960 defconfig, automatic update for cleanup.

Change-Id: I8efa6c7a329912b2ecad2bea22ca2a3581a726e3
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>