nfp: fix return statement in nfp_net_parse_meta()

nfp: fix return statement in nfp_net_parse_meta()

[ Upstream commit 4431531c482a2c05126caaa9fcc5053a4a5c495b ]

The return type of the function is bool and while NULL do evaluate to
false it's not very nice, fix this by explicitly returning false. There
is no functional change.

Signed-off-by: Niklas Söderlund <niklas.soderlund@corigine.com>
Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>