[device/Arista] fix small issue for the 7170 (#2373)

* Fix boot0 install on vfat

* Only display the hook name in boot0

Instead of printing the entire path

* Update arista driver submodule

files/Aboot/boot0.j2

@@ -138,7 +138,7 @@ extract_image() {
 
     info "Extracting $dockerfs from swi"
     ## vfat does not support symbol link
-    if [ -n "$install" ] || [ "$rootfs_type" != "vfat" ]; then
+    if [ "$rootfs_type" != "vfat" ]; then
         mkdir -p "$image_path/{{ DOCKERFS_DIR }}"
 
         if [ -n "$install" ]; then
@@ -326,7 +326,7 @@ run_hooks() {
     if [ -d "$hook_path/$1" ]; then
         for hook in $(get_sorted_hooks "$hook_path/$1"); do
             if [ ! -z "$hook" ]; then
-                info "Running hook $hook"
+                info "Running hook $(basename $hook)"
                 . "$hook"
             fi
         done