Revert "ci: update SCP binary path"

This reverts commit 3836c6d5cf423f3774fa1ed2a91dc64465390ed5.

Reason for revert: Both SCP version 2.15 and 2.16 have been causing instability during tftf-manual-reboot tests thus move to 2.14 version

Change-Id: Ic5897fef7784c74b50a7873a99c8c30ad91ea6e9
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
1 file changed