POWERPC: Move generic cpm2 stuff to powerpc

This moves the cpm2 common code and PIC stuff to the powerpc. Most of the files
were just copied from ppc/, with minor tuning to make it compile, and, subsequently, work.

Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com>
diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile
index e5e999e..f15f4d78 100644
--- a/arch/powerpc/sysdev/Makefile
+++ b/arch/powerpc/sysdev/Makefile
@@ -17,3 +17,8 @@
 obj-$(CONFIG_PPC_I8259)		+= i8259.o
 obj-$(CONFIG_PPC_83xx)		+= ipic.o
 endif
+
+# Temporary hack until we have migrated to asm-powerpc
+ifeq ($(ARCH),powerpc)
+obj-$(CONFIG_CPM2)		+= cpm2_common.o cpm2_pic.o
+endif