ixgbe: require only sse3 intrinsics
ixgbe: require only sse3 intrinsics

ixgbe was failing to build in the default configuration because it required
sse4.2 intrinsics, and the default config doesn't support more than sse3.
Modify the pmd so that only sse3 intrinsics are pulled in and used.

Signed-off-by: Neil Horman <3316dc2d77df57653443c0391a5296176d6ca9c3@tuxdriver.com>
CC: Konstantin Ananyev <cbd5212b59ab42a210d72992d23a3aa17cfd3eaf@intel.com>
CC: Thomas Monjalon <ee2fa8b2681c737f775687e475dcbf2028a412f1@6wind.com>
Acked-by: Bruce Richardson <66b9e8e8fbd5e9f41f91b0af050876182ce9d0e4@intel.com>

phermansson/dpdk,phermansson/dpdk,phermansson/dpdk,phermansson/dpdk