r8152: rename fw_type_1 with fw_mac

The struct fw_type_1 is used by MAC only, so rename it to a meaningful one.

Besides, adjust two messages. Replace "load xxx fail" with "check xxx fail"

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>