ixgbe: fix big endian access
ixgbe: fix big endian access

ixgbe is little endian, but cpu maybe not.
add necessary conversions.
    rte_cpu_to_le_32(...) for PCI write
    rte_le_to_cpu_32(...) for PCI read.

Signed-off-by: Xuelin Shi <70182c0027b8c84bfec5b780edd45fe2361d9c33@freescale.com>
Acked-by: Thomas Monjalon <ee2fa8b2681c737f775687e475dcbf2028a412f1@6wind.com>

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