[PATCH 0/12] bcm1480 support

["Andrew Isaacson" <adi@broadcom.com>]

This patch set against git changeset d1a2855c2190 adds support for the
BCM1480 family of SiByte SoCs.  The following are supported:
 - BCM1255, BCM1280, BCM1455, BCM1480 dual and quad core chips
 - 4 on-chip cache-coherent GigE MACs
 - native PCI-X
 - HT/PCI-X tunnel
 - SMBus

as well as the usual assortment of flash, uarts, DDR DRAM, etc.

It also includes a sibyte headers update, some code cleanups, and a hack
to work around a missing firmware feature.

-andy