Patch merged into coreboot/master: amd/mainboard: Clean up bettong, gardenia USB todos

the following patch was just integrated into master:
commit 2911b5e509c273add2aee005d4bebff95e0e1116
Author: Marshall Dawson 
Date:   Fri Dec 16 12:44:13 2016 -0500

amd/mainboard: Clean up bettong, gardenia USB todos

An incorrect board name was propagated over various generations of mainboards.
    Correct the comments for these.  Addressing the todo items will come in a
    later patch.

Change-Id: I4abd028fee5087955a7b6ba8d38f99c8207d24b4
    Signed-off-by: Marshall Dawson 
    Reviewed-on: https://review.coreboot.org/17903
    Tested-by: build bot (Jenkins)
    Reviewed-by: Marc Jones

See https://review.coreboot.org/17903 for details.

-gerrit