Patch merged into coreboot/master: bc21a41 southbridge/amd/pi: Rename Avalon to Hudson

the following patch was just integrated into master:
commit bc21a41e1ca045baae57f79d89aafdf682528a4b
Author: Dave Frodin 
Date:   Mon Jan 19 11:40:38 2015 -0700

southbridge/amd/pi: Rename Avalon to Hudson

To maintain consistancy with southbridge/amd/agesa/hudson rename
    pi/avalon to pi/hudson in advance of adding support for the
    base hudson southbridge.

Change-Id: Icff8c4c06aae2d40cbd9e90903754735ac3510c3
    Signed-off-by: Dave Frodin 
    Reviewed-on: http://review.coreboot.org/8251
    Tested-by: build bot (Jenkins)
    Reviewed-by: Marc Jones

See http://review.coreboot.org/8251 for details.

-gerrit