Patch merged into coreboot/master: 75613b6 uart: Drop HAVE_UART_MEMORY_MAPPED

the following patch was just integrated into master:
commit 75613b6fdda882520642067589ae81e5376d6a6d
Author: Kyösti Mälkki 
Date:   Tue Feb 18 06:46:19 2014 +0200

uart: Drop HAVE_UART_MEMORY_MAPPED

This option is used to make uart8250mem option visible in menuconfig.
    Showing it for these ARMs is incorrect.

Change-Id: I2c28e1c3781df41c09c365355a5105c9fe4945ed
    Signed-off-by: Kyösti Mälkki

See http://review.coreboot.org/5259 for details.

-gerrit