Add 'Legacy-CI' label and trusted-firmware-a-lagacy-ci-users group to
the project

Now,
'Allow-CI' for trusted-firmware-a-ci-users to trigger Open CI
'Legacy-CI' for trusted-firmware-a-lagacy-ci-users to trigger Arm CI

Signed-off-by: Arthur She <arthur.she@linaro.org>
Change-Id: I0d340947bd739ceec289c166fea0d9ec6e69095f
diff --git a/groups b/groups
index 19df765..7b29ed8 100644
--- a/groups
+++ b/groups
@@ -1,6 +1,7 @@
 # UUID                                  	Group Name
 #
 1460e4915a33df532edbda5a19c6c025a67c67ef	trusted-firmware-a-ci-users
+8eea0c20ff14f6b3e93e9e687af2159d45793212	trusted-firmware-a-legacy-ci-users
 3c602ebb948eaf2077cc2eb062eb1a3b0367d759	Service Users
 4db8267426bbc5d487c8dbdcf58a1c50202b1c92	trusted-firmware-a-arm-approvers
 5b2667831f42b0a9032405404b813c6082876d90	trusted-firmware-a-approvers