ppc4xx: Add 405GPr based MCU25 board. Global files

Signed-off-by: Niklaus Giger <niklaus.giger@netstal.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index dc13580..2a3b937 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -172,6 +172,7 @@
 Niklaus Giger <niklaus.giger@netstal.com>
 
 	HCU4			PPC405GPr
+	MCU25			PPC405GPr
 	HCU5			PPC440EPx
 
 Frank Gottschling <fgottschling@eltec.de>