siemens,at91: enable features for smartweb

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>
2 files changed