Patch merged into coreboot/master: 1989b4b x86: expose console_tx_flush in romstage

the following patch was just integrated into master:
commit 1989b4bd560045b524fad2f5d189907e4a8abe26
Author: Aaron Durbin 
Date:   Fri Mar 22 19:52:42 2013 -0500

x86: expose console_tx_flush in romstage

The vboot module relied on being able to flush the console
    after it called vtxprintf() from its log wrapper function.
    Expose the console_tx_flush() function in romstage so the
    vboot module can ensure messages are flushed.

Change-Id: I578053df4b88c2068bd9cc90eea5573069a0a4e8
    Signed-off-by: Aaron Durbin 
    Reviewed-on: http://review.coreboot.org/2882
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

Build-Tested: build bot (Jenkins) at Sat Mar 23 03:25:31 2013, giving +1
Reviewed-By: Stefan Reinauer  at Sat Mar 23 19:35:54 2013, giving +2
See http://review.coreboot.org/2882 for details.

-gerrit