Stop using immap_t for cpm offset on 85xx

In the future the offsets to various blocks may not be in same location.
Move to using CFG_MPC85xx_CPM_ADDR as the base of the CPM registers
instead of getting it via &immap->im_cpm.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/include/asm-ppc/immap_85xx.h b/include/asm-ppc/immap_85xx.h
index df53bd2..393fdda 100644
--- a/include/asm-ppc/immap_85xx.h
+++ b/include/asm-ppc/immap_85xx.h
@@ -1636,9 +1636,11 @@
 	ccsr_tsec_t		im_tsec1;
 	ccsr_tsec_t		im_tsec2;
 	ccsr_pic_t		im_pic;
-	ccsr_cpm_t		im_cpm;
 } immap_t;
 
+#define CFG_MPC85xx_CPM_OFFSET	(0x80000)
+#define CFG_MPC85xx_CPM_ADDR	(CFG_IMMR + CFG_MPC85xx_CPM_OFFSET)
+
 extern immap_t  *immr;
 
 #endif /*__IMMAP_85xx__*/