Patch merged into coreboot/master: a425b96 AMD Fam10h: Only create _PR scope if it is filled in

the following patch was just integrated into master:
commit a425b960914003ece27612233929b1be2fc2c15a
Author: Patrick Georgi 
Date:   Thu Mar 5 20:18:21 2015 +0100

AMD Fam10h: Only create _PR scope if it is filled in

The former pstates_algorithm() function has two early exit
    points now, and so it might never get around to writing
    pstates data.

Change-Id: I19ca937375c6d33b78bd5b1859fa5c25473be9b6
    Signed-off-by: Patrick Georgi 
    Reviewed-on: http://review.coreboot.org/8610
    Tested-by: build bot (Jenkins)
    Reviewed-by: Kyösti Mälkki

See http://review.coreboot.org/8610 for details.

-gerrit