fix flash image for explicit bml path

Change-Id: Ifeccfb65d6a927440249f7ab2fd9b0512ccc491c
diff --git a/bmlutils/bmlutils.c b/bmlutils/bmlutils.c
index dad3975..a6b5415 100644
--- a/bmlutils/bmlutils.c
+++ b/bmlutils/bmlutils.c
@@ -65,7 +65,7 @@
 
 int cmd_bml_restore_raw_partition(const char *partition, const char *filename)
 {
-    if (strcmp(partition, "boot") != 0 && strcmp(partition, "recovery") != 0 && strcmp(partition, "recoveryonly") != 0)
+    if (strcmp(partition, "boot") != 0 && strcmp(partition, "recovery") != 0 && strcmp(partition, "recoveryonly") != 0 && partition[0] != '/')
         return 6;
 
     int ret = -1;