net/i40e: fix exception with multi-driver
net/i40e: fix exception with multi-driver

If support-multi-driver is enabled, the global registers should not
be configured. But with the current code base, if creating a flow
with rte_flow API, the global register GLQF_FD_MSK may be changed.

Fixes: cfdfca493cae ("net/i40e: fix multiple driver support")
Cc: stable@dpdk.org

Signed-off-by: Alvin Zhang <c5463347bfd64f7a052e86eaaf49a5760efc9625@intel.com>
Reviewed-by: Xiaolong Ye <c7d6fc2f7e22da80deb234d523238b510a8c0f08@intel.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk