Patch merged into coreboot/master: d635068 smsc/lpc47n227: Make early_serial usable

the following patch was just integrated into master:
commit d635068ffaf97d5d94f3e2b2ccee409ed44b0b41
Author: Patrick Georgi 
Date:   Fri May 18 12:47:02 2012 +0200

smsc/lpc47n227: Make early_serial usable

This is the smallest possible change to make early_serial.c
    compile when included from romstage.c.

early_serial could be reworked to be built as separate unit
    (romstage-y), but that should be done for all SuperIOs,
    not some individual outlier.

Change-Id: I90ee66b43c9677b86b1b5d6fcc8febfbe58d80dd
    Signed-off-by: Patrick Georgi 
    Reviewed-on: http://review.coreboot.org/1686
    Reviewed-by: Paul Menzel 
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

Build-Tested: build bot (Jenkins) at Tue Nov  6 13:40:56 2012, giving +1
Reviewed-By: Stefan Reinauer  at Tue Nov  6 21:53:46 2012, giving +2
See http://review.coreboot.org/1686 for details.

-gerrit