octeontx2-af: suppress external profile loading warning

The packet parser profile supplied as firmware may not
be present all the time and default profile is used mostly.
Hence suppress firmware loading warning from kernel due to
absence of firmware in kernel image.

Fixes: 3a724415 ("octeontx2-af: add support for custom KPU entries")
Signed-off-by: Harman Kalra <hkalra@marvell.com>
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>