Merge pull request #4906 from XiWeiGu/arm64_cmake_small_matrix_opt

ARM64: Enable SMALL_MATRIX_OPT when compiling with CMake

Author: martin-frbg

cmake/system.cmake

@@ -388,7 +388,7 @@ if (NEED_PIC)
   endif()
 endif ()
 
-if (X86_64 OR ${CORE} STREQUAL POWER10 OR LOONGARCH64)
+if (X86_64 OR ${CORE} STREQUAL POWER10 OR ARM64 OR LOONGARCH64)
   set(SMALL_MATRIX_OPT TRUE)
 endif ()
 if (ARM64)