85xx: Add a 36-bit physical configuration for MPC8536DS

We move all IO addressed (CCSR, localbus, PCI) above the 4G boundary
to allow for larger memory sizes.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Wolfgang Denk <wd@denx.de>

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/Makefile b/Makefile
index 2fa43a5..9821ffd 100644
--- a/Makefile
+++ b/Makefile
@@ -2440,8 +2440,11 @@
 ATUM8548_config:	unconfig
 	@$(MKCONFIG) $(@:_config=) ppc mpc85xx atum8548
 
+MPC8536DS_36BIT_config \
 MPC8536DS_config:       unconfig
-	@$(MKCONFIG) $(@:_config=) ppc mpc85xx mpc8536ds freescale
+	@mkdir -p $(obj)include
+	@echo "#define CONFIG_$(@:_config=) 1"	>$(obj)include/config.h
+	@$(MKCONFIG) -a MPC8536DS ppc mpc85xx mpc8536ds freescale
 
 MPC8540ADS_config:	unconfig
 	@$(MKCONFIG) $(@:_config=) ppc mpc85xx mpc8540ads freescale