New features for smartweb:
* switch to hush command parser
* change autoboot stop to <ESC><ESC>
* allow to write ethaddr
Signed-off-by: Matthias Michel <matthias.michel@siemens.com> Reviewed-by: Samuel Egli <samuel.egli@siemens.com> Cc: Roger Meier <r.meier@siemens.com> Cc: Heiko Schocher <hs@denx.de> Reviewed-by: Heiko Schocher <hs@denx.de> Reviewed-by: Andreas Bießmann <andreas.devel@googlemail.com>
