maintainers: update for failsafe and PCI library
maintainers: update for failsafe and PCI library

My email address has changed, gaetan.rivet@6wind.com is no longer valid.

Cc: stable@dpdk.org

Signed-off-by: Gaetan Rivet <5349a78fb7b717c3a3b30d04e535485ef35093c6@u256.net>

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