After stx 5.0 was released, some images like tiller were
moved to ghcr.io from gcr.io, which caused download failure,
but has been fixed in upstream r/stx.5.0 branch, so just
update the SRCREV to include the following commits:
* ccad552 Add ghcr docker registry
Partial-Bug: 1946420
Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Change-Id: Ib723a523b882711631ced9957a2dc32ecd61f719
416a93bc54