support for arm64

with the developer preview of ARM available for 4.9, adding support in it for SNC so we can work toward having crc support for macs

snc-library.sh

@@ -281,7 +281,7 @@ function wait_till_cluster_stable() {
     done
 
     # Wait till all the pods are either running or complete state
-    while oc get pod --no-headers --all-namespaces | grep -v Running | grep -v Completed; do
+    while ${OC} get pod --no-headers --all-namespaces | grep -v Running | grep -v Completed; do
        sleep 2
     done
 }

tools.sh

@@ -24,6 +24,11 @@ case "${ARCH}" in
         SNC_GENERATE_MACOS_BUNDLE=1
 	SNC_GENERATE_WINDOWS_BUNDLE=1
 	;;
+    aarch64)
+        yq_ARCH="arm64"
+        SNC_GENERATE_MACOS_BUNDLE=1
+	SNC_GENERATE_WINDOWS_BUNDLE=
+	;;
     *)
         yq_ARCH=${ARCH}
         SNC_GENERATE_MACOS_BUNDLE=