[MIPS] IP32: Fix sparse warnings.

Add __iomem qualifier to crime and mace pointers.
    
Signed-off-by: Arnaud Giersch <arnaud.giersch@free.fr>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/sgi-ip32/crime.c

@@ -19,8 +19,8 @@
 #include <asm/ip32/crime.h>
 #include <asm/ip32/mace.h>
 
-struct sgi_crime *crime;
-struct sgi_mace *mace;
+struct sgi_crime __iomem *crime;
+struct sgi_mace __iomem *mace;
 
 EXPORT_SYMBOL_GPL(mace);