Revert "adreno: silence compiler warnings"

This reverts commit 93720649641c6480beba72af9eab3b826c277b77.
ci13xxx: silence compiler warnings
msm_otg: silence compiler warning
fs: don't export symbol get_write_access

It's declared static anyway.
lib: fix type mismatches in crc32.c

Conflicts:
	lib/gen_crc32table.c