staging: ks7010: use ether_addr_equal in hostif_data_request

Use ether_addr_equal to compare addresses in ether_addr_equal
function instead of comparing using memcmp.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>