defconfig: lahaina: Enable F2FS_CHECK_FS for lahaina

This change enables CONFIG_F2FS_CHECK_FS to check FS
consistency at runtime and catch errors.

Change-Id: I58d4af96e3d48ad9a59e8f7273d81e96fa19f584
Signed-off-by: Sayali Lokhande <sayalil@codeaurora.org>