more fixes for sammy

Change-Id: Ie11c673a204a328a82f767a2610c5f1d9a51233c
diff --git a/roots.c b/roots.c
index 8320061..818ed1c 100644
--- a/roots.c
+++ b/roots.c
@@ -175,6 +175,7 @@
         return mtd_mount_partition(partition, v->mount_point, v->fs_type, 0);
     } else if (strcmp(v->fs_type, "ext4") == 0 ||
                strcmp(v->fs_type, "ext3") == 0 ||
+               strcmp(v->fs_type, "rfs") == 0 ||
                strcmp(v->fs_type, "vfat") == 0) {
         // try fs type 2 first
         if ((result = try_mount(v->device, v->mount_point, v->fs_type, v->fs_options)) == 0)