Patch merged into coreboot/master: 595ab4f beaglebone: Enable the clocks and pins for the configured UART.

the following patch was just integrated into master:
commit 595ab4f955c98ee486cde7adc1af4eb56cebe569
Author: Gabe Black 
Date:   Sat Jun 29 23:20:14 2013 -0700

beaglebone: Enable the clocks and pins for the configured UART.

Set up the pinmux to enable the pins and the clocks for whichever UART is
    currently configured.

Change-Id: Iac13f16d9d84320555b99734ea83eafd0a2803fe
    Signed-off-by: Gabe Black 
    Reviewed-on: http://review.coreboot.org/3573
    Tested-by: build bot (Jenkins)
    Reviewed-by: Paul Menzel 
    Reviewed-by: Ronald G. Minnich

See http://review.coreboot.org/3573 for details.

-gerrit