net/sfc/base: fix result code in MCDI NVRAM update finish
net/sfc/base: fix result code in MCDI NVRAM update finish

Fixes: d96a34d165b1 ("net/sfc/base: import NVRAM support")
Cc: stable@dpdk.org

Signed-off-by: Andy Moreton <adbee5d9b6a6a553b71b14302d03837591e26c9d@solarflare.com>
Signed-off-by: Andrew Rybchenko <ac94ab2a8fe9a9a087f6e24dcbc16626b52c07e8@solarflare.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk