sfc: Use canonical pointer type for MAC address in efx_set_mac_address()
sfc: Use canonical pointer type for MAC address in efx_set_mac_address()

Functions such as is_valid_ether_addr() expect u8 *, so use that
instead of char *.

Signed-off-by: Ben Hutchings <0672176982fbc629cc374f31a7a45ae1671abf90@solarflare.com>
Signed-off-by: Shradha Shah <7c61565b60c046e8ad2424ad90567591696632eb@solarflare.com>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs