ci(juno): switch to SCP 2.8.0 release binaries

This patch changes usage of Juno SCP binaries
from 2.8.0-dev to 2.8.0 release.

Signed-off-by: Alexei Fedorov <Alexei.Fedorov@arm.com>
Change-Id: I5b8dfc80b8054fc69699a6a446f68dae07978839
diff --git a/juno_utils.sh b/juno_utils.sh
index 5a80051..93b9cdb 100644
--- a/juno_utils.sh
+++ b/juno_utils.sh
@@ -7,8 +7,10 @@
 
 set -u
 
-scp_bl1_url="$tfa_downloads/css_scp_2.8.0-dev/juno/scp_bl1.bin"
-scp_bl2_url="$tfa_downloads/css_scp_2.8.0-dev/juno/scp_bl2.bin"
+# Pre-built SCP v2.8.0 release binaries
+scp_bl1_url="$tfa_downloads/css_scp_2.8.0/juno/scp_bl1.bin"
+scp_bl2_url="$tfa_downloads/css_scp_2.8.0/juno/scp_bl2.bin"
+
 psci_reset2_scp_bl2_url="$tfa_downloads/psci_reset2/scp_bl2.bin"
 uboot_bl33_url="$linaro_release/juno-latest-oe-uboot/SOFTWARE/bl33-uboot.bin"
 optee_fip_url="$linaro_release/juno-ack-android-uboot/SOFTWARE/fip.bin"