The code wrapped in '#ifdef DMA_SYNC_SUPPORT' was written specially
for Solaris, it is not needed anymore for others including DPDK.
Signed-off-by: Helin Zhang <helin.zhang@intel.com>
Reviewed-by: Chen Jing <jing.d.chen@intel.com>
Tested-by: HuilongX Xu <huilongx.xu@intel.com>