bnx2x: add maintainers
bnx2x: add maintainers

Add maintainers for BNX2X PMD.

Signed-off-by: Rasesh Mody <d75009eb0204fa4cf57714375498a356a2e6f144@qlogic.com>

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