siemens: capricorn: small board updates

with newest SCFW build_info() works now, so call it
from checkboard() now.

As we only use uart2 as console, do not init uart0.

Signed-off-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Alexander Sverdlin <alexander.sverdlin@siemens.com>
1 file changed