net/i40e/base: backport style changes from upstream Linux
net/i40e/base: backport style changes from upstream Linux

The upstream virtchnl.h has a few minor style differences to what is
out-of-tree, and there is no real reason we should prefer the current
style over whats upstream.

Signed-off-by: Jacob Keller <952d68dd7aa4b84e9f20381084cf63d55ea3c3b1@intel.com>
Signed-off-by: Xiaolong Ye <c7d6fc2f7e22da80deb234d523238b510a8c0f08@intel.com>
Acked-by: Qi Zhang <9e9e58ffa71a29bb7b87766b362515be648fcbe0@intel.com>
Acked-by: Beilei Xing <7fb7e49de6d75fb4140bfcdada52e66859d93ebd@intel.com>

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