enc28j60: Reset controller before staring with configure.
usart: Use config symbol for USART baud rate.
enc28j60: Added get/set/show functions for RX filters.
lsh: Added stub for dmesg command.
lsh: Add empty line after output of ifconfig.
Prepared ifconfig to display the MAC address.
lsh: Added comments inside ifconfig command function.
enc28j60: Added stubs for ifup and ifdown.
lsh: Added stubs for ifup and ifdown.