Add support for the MPC837xERDB

MPC837xERDB board support includes:
* DDR2 330MHz hardcoded (soldered on the board)
* Local Bus NOR Flash
* I2C, UART and RTC
* eTSEC RGMII (TSEC0 - RTL8211B with MII;
*	       TSEC1 - VSC7385 local bus, hardcoded, requires seperate firmware
*		       load)

Signed-off-by: Kevin Lam <kevin.lam@freescale.com>
Signed-off-by: Joe D'Abbraccio <joe.d'abbraccio@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
diff --git a/Makefile b/Makefile
index 8be0dfa..1b3d2e6 100644
--- a/Makefile
+++ b/Makefile
@@ -1971,6 +1971,9 @@
 	fi ;
 	@$(MKCONFIG) -a MPC837XEMDS ppc mpc83xx mpc837xemds freescale
 
+MPC837XERDB_config:	unconfig
+	@$(MKCONFIG) -a MPC837XERDB ppc mpc83xx mpc837xerdb freescale
+
 sbc8349_config:		unconfig
 	@$(MKCONFIG) $(@:_config=) ppc mpc83xx sbc8349