maintainers: claim responsibility for secondary process and FreeBSD
maintainers: claim responsibility for secondary process and FreeBSD

Claim responsability for:
- Secondary Process as maintainer.
- FreeBSD EAL, FreeBSD contigmem and FreeBSD UIO as co-maintainer.

Signed-off-by: Sergio Gonzalez Monroy <efb28dd1236fe58fb57f933212eddfe89b9da704@intel.com>
Acked-by: Bruce Richardson <66b9e8e8fbd5e9f41f91b0af050876182ce9d0e4@intel.com>

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