mlx4: merge Rx queue setup functions
mlx4: merge Rx queue setup functions

Make rxq_setup_qp() handle inline support like rxq_setup_qp_rss() instead of
having two separate functions.

Signed-off-by: Alex Rosenbaum <25829bd2622423157f0b3f860c5ecc666ffc8ab1@mellanox.com>
Signed-off-by: Adrien Mazarguil <9d39ea493ca46c560334f650ac5d4b5ffbcb5cf0@6wind.com>

venkynv/dpdk-mirror,msune/dpdk,tsphillips/dpdk-fork,mixja/dpdk,msune/dpdk,venkynv/dpdk-mirror,mixja/dpdk,msune/dpdk,john-mcnamara-intel/dpdk,msune/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,venkynv/dpdk-mirror,tsphillips/dpdk-fork,tsphillips/dpdk-fork,mixja/dpdk,john-mcnamara-intel/dpdk,tsphillips/dpdk-fork,mixja/dpdk,venkynv/dpdk-mirror