Add support aarch64 architecture

Support to run scripts in aarch64 Host Linux.

Tested: execute the scripts changed in this commit in Aarch64 Host
Ubuntu OS and check they can execute successfully

Signed-off-by: Thang Q. Nguyen <thang@os.amperecomputing.com>
Change-Id: Idde23fbd09c5000c710f4f6d88793fefbb0cb04c
diff --git a/run-qemu-robot-test.sh b/run-qemu-robot-test.sh
index a5c032b..3c2f407 100755
--- a/run-qemu-robot-test.sh
+++ b/run-qemu-robot-test.sh
@@ -81,6 +81,9 @@
   "x86_64")
     QEMU_ARCH="x86_64-linux"
     ;;
+  "aarch64")
+    QEMU_ARCH="arm64-linux"
+    ;;
   *)
     echo "Unsupported system architecture(${ARCH}) found for docker image"
     exit 1