Patch merged into coreboot/master: soc/intel/quark: Move UART init into romstage.c

the following patch was just integrated into master:
commit ac78db3a53a7653a73409936455d68c754291e9d
Author: Lee Leahy 
Date:   Mon May 30 14:35:15 2016 -0700

soc/intel/quark: Move UART init into romstage.c

Move UART initialization into romstage.c and eliminate uart.c.

TEST=Build and run on Galileo Gen2

Change-Id: I5f2c9b4c566008000c2201c422a0bba63da64487
    Signed-off-by: Lee Leahy 
    Reviewed-on: https://review.coreboot.org/15009
    Tested-by: build bot (Jenkins)
    Reviewed-by: Martin Roth

See https://review.coreboot.org/15009 for details.

-gerrit