[CMake] Check both arm64 and aarch64 for ARM based system architecture (#1829)

While macOS will report `arm64` for `uname -m` command, others might
report `aarch64`. This PR fixes this

Signed-off-by: Eran Ifrah <[email protected]>

Author: eifrah-aws

cmake/Modules/ValkeySetup.cmake

@@ -240,7 +240,7 @@ endif ()
 set(BUILDING_ARM64 0)
 set(BUILDING_ARM32 0)
 
-if ("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "arm64")
+if ("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "arm64" OR "${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "aarch64")
     set(BUILDING_ARM64 1)
 endif ()