Stop using immap_t on 85xx

In the future the offsets to various blocks may not be in same location.
Move to using CFG_MPC85xx_*_ADDR as the base of the registers
instead of getting it via &immap.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/board/tqm85xx/sdram.c b/board/tqm85xx/sdram.c
index 8ca50f5..2053ade 100644
--- a/board/tqm85xx/sdram.c
+++ b/board/tqm85xx/sdram.c
@@ -57,8 +57,7 @@
 long int sdram_setup(int casl)
 {
 	int i;
-	volatile immap_t *immap = (immap_t *) CFG_IMMR;
-	volatile ccsr_ddr_t *ddr = &immap->im_ddr;
+	volatile ccsr_ddr_t *ddr = (void *)(CFG_MPC85xx_DDR_ADDR);
 	unsigned long cfg_ddr_timing1;
 	unsigned long cfg_ddr_mode;
 
diff --git a/board/tqm85xx/tqm85xx.c b/board/tqm85xx/tqm85xx.c
index c45676c..5d5cb1b 100644
--- a/board/tqm85xx/tqm85xx.c
+++ b/board/tqm85xx/tqm85xx.c
@@ -262,8 +262,7 @@
 
 int misc_init_r (void)
 {
-	volatile immap_t    *immap = (immap_t *)CFG_IMMR;
-	volatile ccsr_lbc_t *memctl = &immap->im_lbc;
+	volatile ccsr_lbc_t *memctl = (void *)(CFG_MPC85xx_LBC_ADDR);
 
 	/*
 	 * Adjust flash start and offset to detected values
@@ -324,9 +323,8 @@
  */
 void local_bus_init (void)
 {
-	volatile immap_t *immap = (immap_t *) CFG_IMMR;
 	volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
-	volatile ccsr_lbc_t *lbc = &immap->im_lbc;
+	volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
 
 	uint clkdiv;
 	uint lbc_hz;