recipes-graphics/wayland/agl-compositor_git: Add PACKAGECONFIG for

recipes-graphics/wayland/agl-compositor_git: Add PACKAGECONFIG for
deny-all policy

Bug-AGL: SPEC-3432

Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
Change-Id: Ib91bfe7056ad268f660243d3f859c9eb5f9fd1f4
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl/+/24928
Tested-by: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
ci-image-build: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
ci-image-boot-test: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
Reviewed-by: Scott Murray <scott.murray@konsulko.com>
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>