Fix default values for CI URL

Change-Id: I70419dbcc3439e4808a146cf4b41063e8ce237ab
Signed-off-by: Zelalem <zelalem.aweke@arm.com>
diff --git a/script/scratch_scripts/initial_clone_v2.6.sh b/script/scratch_scripts/initial_clone_v2.6.sh
index 146bd70..8c6aace 100755
--- a/script/scratch_scripts/initial_clone_v2.6.sh
+++ b/script/scratch_scripts/initial_clone_v2.6.sh
@@ -22,7 +22,7 @@
 
 arm_gerrit_url="gerrit.oss.arm.com"
 tforg_gerrit_url="review.trustedfirmware.org"
-ci_url="${https://$arm_gerrit_url/pdswinf/ci/pdcs-platforms/platform-ci:-$CI_SRC_REPO_URL}"
+ci_url="${CI_SRC_REPO_URL:-https://$arm_gerrit_url/pdswinf/ci/pdcs-platforms/platform-ci}"
 gerrit_server="arm"
 
 if [ "$ci_url" == *${tforg_gerrit_url}* ];then