The QCA8K switch supports additional modes that can be handled in
hardware for the LED netdev trigger.
Add these additional modes to further support the Switch LEDs and
offload more blink modes.
Add additional modes:
- link_10
- link_100
- link_1000
- half_duplex
- full_duplex
Signed-off-by: Christian Marangi <ansuelsmth@xxxxxxxxx>