Force using https remote for beta-uboot

Change-Id: Ia7f6bef29452ae8b42f8ecf1b758887bc06221a5
diff --git a/kokoro/multistrap-release.sh b/kokoro/multistrap-release.sh
index 8f74060..bea2ea8 100644
--- a/kokoro/multistrap-release.sh
+++ b/kokoro/multistrap-release.sh
@@ -25,7 +25,8 @@
 
 # Build the recovery partition, using the beta-uboot branch of uboot-imx
 mv ${PRODUCT_OUT}/u-boot.imx ${PRODUCT_OUT}/u-boot.imx.clean
-REMOTE=$(git -C ${ROOTDIR}/uboot-imx remote)
+git -C ${ROOTDIR}/uboot-imx remote add https https://coral.googlesource.com/uboot-imx
+REMOTE=https
 git -C ${ROOTDIR}/uboot-imx fetch --unshallow
 git -C ${ROOTDIR}/uboot-imx config remote.${REMOTE}.fetch "+refs/heads/*:refs/remotes/${REMOTE}/*"
 git -C ${ROOTDIR}/uboot-imx fetch ${REMOTE}