powerpc/p3041: Add various p3041 related defines

There are various locations that we have chip specific info:

* Makefile for which ddr code to build
* Added p3041 to cpu_type_list and SVR list
* Added number of LAWs for p3041
* Set CONFIG_MAX_CPUS to 4 for p3041

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/cpu/mpc85xx/Makefile b/arch/powerpc/cpu/mpc85xx/Makefile
index 2656dde..fe851f1 100644
--- a/arch/powerpc/cpu/mpc85xx/Makefile
+++ b/arch/powerpc/cpu/mpc85xx/Makefile
@@ -58,6 +58,7 @@
 COBJS-$(CONFIG_P1022)	+= ddr-gen3.o
 COBJS-$(CONFIG_P2010)	+= ddr-gen3.o
 COBJS-$(CONFIG_P2020)	+= ddr-gen3.o
+COBJS-$(CONFIG_PPC_P3041)	+= ddr-gen3.o
 COBJS-$(CONFIG_PPC_P4080)	+= ddr-gen3.o
 COBJS-$(CONFIG_PPC_P5020)	+= ddr-gen3.o