m68knommu: clean up use of MBAR for DRAM registers on ColdFire start

In some of the RAM size autodetection code on ColdFire CPU startup
we reference DRAM registers relative to the MBAR register. Not all of
the supported ColdFire CPUs have an MBAR, and currently this works
because we fake an MBAR address on those registers. In an effort to
clean this up, and eventually remove the fake MBAR setting make the
DRAM register address definitions actually contain the MBAR (or IPSBAR
as appropriate) value as required.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>

arch/m68k/include/asm/m5307sim.h

@@ -89,11 +89,11 @@
 #define MCFSIM_CSCR7		0xde		/* CS 7 Control reg (r/w) */
 #endif /* CONFIG_OLDMASK */
 
-#define MCFSIM_DCR		0x100		/* DRAM Control reg (r/w) */
-#define MCFSIM_DACR0		0x108		/* DRAM 0 Addr and Ctrl (r/w) */
-#define MCFSIM_DMR0		0x10c		/* DRAM 0 Mask reg (r/w) */
-#define MCFSIM_DACR1		0x110		/* DRAM 1 Addr and Ctrl (r/w) */
-#define MCFSIM_DMR1		0x114		/* DRAM 1 Mask reg (r/w) */
+#define MCFSIM_DCR		(MCF_MBAR + 0x100)	/* DRAM Control */
+#define MCFSIM_DACR0		(MCF_MBAR + 0x108)	/* DRAM Addr/Ctrl 0 */
+#define MCFSIM_DMR0		(MCF_MBAR + 0x10c)	/* DRAM Mask 0 */
+#define MCFSIM_DACR1		(MCF_MBAR + 0x110)	/* DRAM Addr/Ctrl 1 */
+#define MCFSIM_DMR1		(MCF_MBAR + 0x114)	/* DRAM Mask 1 */
 
 /*
  *  Timer module.