Drop baud rate init to an arbitrary baud rate from Super I/O code.

Drop baud rate init to an arbitrary baud rate from Super I/O code.

See discussion at
http://www.mail-archive.com/coreboot@coreboot.org/msg29394.html

config->com1, devicetree.cb cleanup and init_uart8250() removal
will follow once this patch is comitted

Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Acked-by: Patrick Georgi <patrick@georgi-clan.de>
Updated to drop com1, com2.... from config structure and devicetree.cb

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6521 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1