defconfig: msm: Enable Verity forward error correction flag.

Enable CONFIG_DM_VERITY_FEC in msm8996 defconfig and perf_defconfig
build. This flag is required when FEC is passed from kernel command
line and adding some more Crypto dependency flags.

Change-Id: I972db810f78935a6bd5f7cb14798114da1d1ef23
Signed-off-by: Swetha Chikkaboraiah <schikk@codeaurora.org>