[PATCH] Add support for Prodrive P3M750 & P3M7448 (P3Mx) boards

This patch adds support for the Prodrive P3M750 (PPC750 & MV64460)
and the P3M7448 (MPC7448 & MV64460) PMC modules. Both modules are
quite similar and share the same board directory "prodrive/p3mx"
and the same config file "p3mx.h".

Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/MAINTAINERS b/MAINTAINERS
index d453967..df0f567 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -277,6 +277,8 @@
 
 Stefan Roese <sr@denx.de>
 
+	P3M7448			MPC7448
+
 	uc100			MPC857
 
 	TQM85xx			MPC8540/8541/8555/8560
@@ -294,6 +296,8 @@
 	yellowstone		PPC440GR
 	yosemite		PPC440EP
 
+	P3M750			PPC750FX/GX/GL
+
 Yusdi Santoso <yusdi_santoso@adaptec.com>
 
 	HIDDEN_DRAGON	MPC8241/MPC8245