ANDROID: crypto: arm64/ghash: fix CFI for GHASH CE

Calling a stand-alone assembly function trips clang's Control-Flow
Integrity checking. Add a static inline stub to convert indirect calls
to direct calls for pmull_ghash_update_p(64|8).

Bug: 133186739
Change-Id: Ib4899cdae60d83961f78ed3451a919f7c9c713bc
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>