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/MAINTAINERS b/MAINTAINERS
index 0948bab..d6b1bc9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -448,6 +448,7 @@
 
 	MPC8349E-mITX	MPC8349
 	MPC8349E-mITX-GP MPC8349
+	P1022DS		P1022
 
 Erik Theisen <etheisen@mindspring.com>