netifd: update to latest git HEAD

netifd: update to latest git HEAD

f429bd94f99e system-linux: switch to new ETHTOOL_xLINKSETTINGS API

Fixes AN announcement for speeds beyond 1 GBit/s.
Adds new UCI options for Ethernet devices:
 - autoneg: switch on or off auto-negotiation
 - pause: if set to 0, do not announce symmetric flow control capability
 - asym_pause: if set to 0, do not announce asymmetric flow control
               capability.
 - rxpause: if set overrides AN and forces RX pause accordingly
 - txpause: if set overrides AN and forces TX pause accordingly

Signed-off-by: Daniel Golle <daniel@makrotopia.org>