Patch merged into coreboot/master: 7dd5814 snow: Add flush to UART driver.

the following patch was just integrated into master:
commit 7dd581494dbaff64e4a2dd31f29cb254104d2d03
Author: Hung-Te Lin 
Date:   Wed Jun 5 14:06:55 2013 -0700

snow: Add flush to UART driver.

Wait for UART FIFO to be ready.
    (Credit to dhendrix for finding the bits to test with.)

Change-Id: Ib6733e422cbc1c61b942bd90d85f88a3f412d6ff
    Signed-off-by: Hung-Te Lin 
    Signed-off-by: Gabe Black 
    Reviewed-on: http://review.coreboot.org/3698
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/3698 for details.

-gerrit