powerpc: add support for the Freescale P1022DS reference board

Specifics:

1) 36-bit only
2) Booting from NOR flash only
3) Environment stored in NOR flash only
4) No SPI support
5) No DIU support

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/boards.cfg b/boards.cfg
index 17a6f93..30b4137 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -342,6 +342,7 @@
 MPC8568MDS	powerpc	mpc85xx		mpc8568mds	freescale
 XPEDITE5200	powerpc	mpc85xx		xpedite5200	xes
 XPEDITE5370	powerpc	mpc85xx		xpedite5370	xes
+P1022DS		powerpc	mpc85xx		p1022ds		freescale
 sbc8641d	powerpc	mpc86xx
 MPC8610HPCD	powerpc	mpc86xx		mpc8610hpcd	freescale
 XPEDITE5170	powerpc	mpc86xx		xpedite5170	xes