fix: Add support for more ARM processors detection (#608)

Internal change submitted. Merging this PR.
The unit test can be fixed in another PR.

absl/copts/AbseilConfigureCopts.cmake

@@ -11,7 +11,7 @@ if("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "x86_64" OR "${CMAKE_SYSTEM_PROCESSOR}"
   else()
   else()
     set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_X64_FLAGS}")
     set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_X64_FLAGS}")
   endif()
   endif()
-elseif("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "arm")
+elseif("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "arm.*|aarch64")
   if ("${CMAKE_SIZEOF_VOID_P}" STREQUAL "8")
   if ("${CMAKE_SIZEOF_VOID_P}" STREQUAL "8")
     set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_ARM64_FLAGS}")
     set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_ARM64_FLAGS}")
   elseif("${CMAKE_SIZEOF_VOID_P}" STREQUAL "4")
   elseif("${CMAKE_SIZEOF_VOID_P}" STREQUAL "4")