vold: Add support for /dev/block/mmcblk1

Signed-off-by: Ethan.Du <a7233c@motorola.com>
Signed-off-by: San Mehat <san@google.com>
diff --git a/vold/uevent.c b/vold/uevent.c
index dffe817..dc15d80 100644
--- a/vold/uevent.c
+++ b/vold/uevent.c
@@ -325,7 +325,10 @@
          * If there isn't a disk already its because *we*
          * are the disk
          */
-        disk = blkdev_lookup_by_devno(maj, 0);
+        if (media->media_type == media_mmc)
+            disk = blkdev_lookup_by_devno(maj, ALIGN_MMC_MINOR(min));
+        else
+            disk = blkdev_lookup_by_devno(maj, 0);
 
         if (!(blkdev = blkdev_create(disk,
                                      event->path,