harmutarm: split checkout steps

Change-Id: Ic1a8ccb623172bd9cc0399b2428b2f471d90d67c
Signed-off-by: Harrison Mutai <harrison.mutai@arm.com>
diff --git a/harmutarm-scripts/clone.sh b/harmutarm-scripts/clone.sh
index 1c44a51..9d7807c 100755
--- a/harmutarm-scripts/clone.sh
+++ b/harmutarm-scripts/clone.sh
@@ -190,7 +190,8 @@
             git fetch ${REPO_URL} ${REPO_REFSPEC}
         fi
 
-        git checkout -f --recurse-submodules FETCH_HEAD
+        git checkout FETCH_HEAD
+        git submodule update --init --recursive
         echo "Freshly cloned ${REPO_URL} (refspec ${REPO_REFSPEC}):"
         git log -1
         cd $OLDPWD