defconfig: msm: Enable BALANCE_ANON_FILE_RECLAIM for sdm660

BALANCE_ANON_FILE_RECLAIM treats anonymous and file backed
pages equally while performing memory reclaim.

It is already enabled for sdm660 arm64 perf defconfig.
Enable it for rest of sdm660 related defconfigs.

Change-Id: I3914bbdbc162cce020d6265f8297ac728621c84d
Signed-off-by: Shiraz Hashim <shashim@codeaurora.org>