[POWERPC] CPM: Rename commproc to cpm1 and cpm2_common.c to cpm2.c

Rename commproc.[ch] to cpm1.[ch] to be more consistent with cpm2. Also
rename cpm2_common.c to cpm2.c as suggested by Scott Wood. Adjust the
includes accordingly.

Signed-off-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/ppc/8260_io/enet.c b/arch/ppc/8260_io/enet.c
index 615b658..3ea4db2 100644
--- a/arch/ppc/8260_io/enet.c
+++ b/arch/ppc/8260_io/enet.c
@@ -10,7 +10,7 @@
  * This version of the driver is somewhat selectable for the different
  * processor/board combinations.  It works for the boards I know about
  * now, and should be easily modified to include others.  Some of the
- * configuration information is contained in <asm/commproc.h> and the
+ * configuration information is contained in <asm/cpm1.h> and the
  * remainder is here.
  *
  * Buffer descriptors are kept in the CPM dual port RAM, and the frame