net-misc/openssh: relax restriction on gcc-config version

For SDK build gcc-config version does not matter (build succedes)
so relax the restriction to fix the SDK build.

BUG=b/278627330,b/278802165,b/278136734,b/278627283
TEST=presubmit
RELEASE_NOTE=None

Change-Id: I8dcd4e4e04052b630aab768a4cc2d35b9a1eecaf
Reviewed-on: https://cos-review.googlesource.com/c/third_party/overlays/portage-stable/+/47208
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Robert Kolchmeyer <rkolchmeyer@google.com>
2 files changed