Inclusion of vfio.h was giving compilation errors if kernel version is less
than 3.6.0 and if RTE_EAL_VFIO was in config.
Removed inclusion of vfio.h and replaced RTE_EAL_VFIO with VFIO_PRESENT.
Reported-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Signed-off-by: Sujith Sankar <ssujith@cisco.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
80083092aa