net: phylink: pass neg_mode into c22 state decoder

Pass the current neg_mode into phylink_mii_c22_pcs_get_state() and
phylink_mii_c22_pcs_decode_state(). Update all users of phylink PCS
that use these functions.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Tested-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/E1tXGeY-000Et9-8g@rmk-PC.armlinux.org.uk


Signed-off-by: Jakub Kicinski <kuba@kernel.org>