For Clang use explicit enabling flag for Aarch64 crypto ISA
For Clang use explicit enabling flag for Aarch64 crypto ISA

For whatever reason Android's Clang does not recognize the function
attributes.

webmaster128/botan,webmaster128/botan,randombit/botan,randombit/botan,randombit/botan,randombit/botan,webmaster128/botan,randombit/botan,webmaster128/botan,webmaster128/botan