sh64: Trivial build fixes.

While we've been sorting out the toolchain fiasco, some of
the code has suffered a bit of bitrot. Building with GCC4
also brings up some more build warnings. Trivial fixes for
both issues.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/include/asm-sh64/io.h b/include/asm-sh64/io.h
index dee4f77..252fedb 100644
--- a/include/asm-sh64/io.h
+++ b/include/asm-sh64/io.h
@@ -123,6 +123,13 @@
 void outsl(unsigned long port, const void *addr, unsigned long count);
 void insl(unsigned long port, void *addr, unsigned long count);
 
+#define __raw_readb		readb
+#define __raw_readw		readw
+#define __raw_readl		readl
+#define __raw_writeb		writeb
+#define __raw_writew		writew
+#define __raw_writel		writel
+
 void memcpy_toio(void __iomem *to, const void *from, long count);
 void memcpy_fromio(void *to, void __iomem *from, long count);