Add DYNAMIC_LIST support for ARM64

Author: martin-frbg

cmake/arch.cmake

@@ -45,6 +45,9 @@ endif ()
 if (DYNAMIC_ARCH)
   if (ARM64)
     set(DYNAMIC_CORE ARMV8 CORTEXA53 CORTEXA57 CORTEXA72 CORTEXA73 FALKOR THUNDERX THUNDERX2T99 TSV110 EMAG8180 NEOVERSEN1 THUNDERX3T110)
+    if (DYNAMIC_LIST)
+	    set(DYNAMIC_CORE ARMV8 ${DYNAMIC_LIST})
+    endif ()
   endif ()
 
   if (POWER)