Fix a couple of override syntax issues

Fix a couple of override syntax issues

Fix a couple of spots where use of the old-style override syntax has
accidentally been added.

Bug-AGL: SPEC-4052

Signed-off-by: Scott Murray <scott.murray@konsulko.com>
Change-Id: I7f4d5b0ba0bf813f3e72b783e30cadc5ba0e030d
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl/+/26874
Tested-by: Jenkins Job builder account
ci-image-build: Jenkins Job builder account
ci-image-boot-test: Jenkins Job builder account
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>