sparc: Fixes the DRM layer build on sparc.

By providing an ioremap_wc().

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/asm-sparc/io_32.h b/include/asm-sparc/io_32.h
index c43af72..10d7da4 100644
--- a/include/asm-sparc/io_32.h
+++ b/include/asm-sparc/io_32.h
@@ -244,6 +244,7 @@
  */
 extern void __iomem *ioremap(unsigned long offset, unsigned long size);
 #define ioremap_nocache(X,Y)	ioremap((X),(Y))
+#define ioremap_wc(X,Y)		ioremap((X),(Y))
 extern void iounmap(volatile void __iomem *addr);
 
 #define ioread8(X)			readb(X)