Re-enable reboot-bootloader in flash script

Change-Id: I6aab18ef1e5f8c5a452c9879f6cfcacce423cf70
diff --git a/flash.sh b/flash.sh
index e17bcb5..75de4fb 100755
--- a/flash.sh
+++ b/flash.sh
@@ -70,12 +70,12 @@
 
 # Flash bootloader
 try ${FASTBOOT_CMD} flash bootloader ${PRODUCT_OUT}/u-boot.imx
-# try ${FASTBOOT_CMD} reboot-bootloader
+try ${FASTBOOT_CMD} reboot-bootloader
 sleep 3
 
 # Flash partition table
 try ${FASTBOOT_CMD} flash gpt ${PRODUCT_OUT}/${PART_IMAGE}
-# try ${FASTBOOT_CMD} reboot-bootloader
+try ${FASTBOOT_CMD} reboot-bootloader
 sleep 3
 
 # Flash filesystems