octeontx2-pf: Fix NDC sync operation errors

octeontx2-pf: Fix NDC sync operation errors

On system reboot "rvu_nicpf 0002:03:00.0: NDC sync operation failed"
error messages are shown, even if the operations is successful.
This is due to wrong if error check in ndc_syc() function.

Fixes: 42c45ac1419c ("octeontx2-af: Sync NIX and NPA contexts from NDC to LLC/DRAM")
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/1780054677-17249-1-git-send-email-sbhatta@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>