Apply the perf fix only when meta-rcar-gen3-adas is not present
Currently the upstream rcar bsp does need the fix for building perf.
The meta-rcar-gen3-adas layer contains a fix in the big patchqueue.
Thus conditionally apply the perf build fix.
Bug-AGL: SPEC-3443
Signed-off-by: Jan-Simon Möller <jsmoeller@linuxfoundation.org>
Change-Id: Icbf53add71ed731c35dec149841691c82ae4372c
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl/+/24914
Reviewed-by: Stéphane Desneux <stephane.desneux@iot.bzh>