Patch merged into coreboot/master: Kconfig: Document what ASPM means

the following patch was just integrated into master:
commit 8c50e684415312b27b5ffe30164877460c2e7858
Author: Jonathan Neuschäfer 
Date:   Tue Dec 27 16:31:28 2016 +0100

Kconfig: Document what ASPM means

Change-Id: I57dd933ad70ffac95388d832bd5047f2225688e3
    Signed-off-by: Jonathan Neuschäfer 
    Reviewed-on: https://review.coreboot.org/17973
    Tested-by: build bot (Jenkins)
    Reviewed-by: Martin Roth 
    Reviewed-by: Paul Menzel

See https://review.coreboot.org/17973 for details.

-gerrit