mpc83xx: add MAINTAINER and MAKEALL entries for the mpc837xemds

Add the MAINTAINER and MAKEALL entries for mpc837xemds

Signed-off-by: Dave Liu <daveliu@freescale.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index fa0e9ea..1e551ed 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -228,6 +228,7 @@
 Dave Liu <daveliu@freescale.com>
 
 	MPC8360EMDS		MPC8360
+	MPC837XEMDS		MPC837x
 
 Nye Liu <nyet@zumanetworks.com>