ixgbe/base: check return value after calling
ixgbe/base: check return value after calling

This patch moves the check of the return value from
ixgbe_start_hw_generic after the function is called.
Previously we had the code to disable relaxed ordering in
between, which seems a bit out of place.

Signed-off-by: Wenzhuo Lu <58cb9036bdff9a5412edc3b9f70e105ccf59954f@intel.com>
Acked-by: Helin Zhang <aba9dfdb1a6ec8bf1ff66b95272c029f8dfde1b1@intel.com>

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