Blackfin: add in/out le32 variants

These are rarely used, but the post code does currently, so add small
redirect hacks for that.
Signed-off-by: NMike Frysinger <vapier@gentoo.org>

arch/blackfin/include/asm/io.h

@@ -134,9 +134,11 @@ static inline unsigned int readl(const volatile void __iomem *addr)
 #define inb(port)    readb(__io(port))
 #define inw(port)    readw(__io(port))
 #define inl(port)    readl(__io(port))
+#define in_le32(port) inl(port)
 #define outb(x, port) writeb(x, __io(port))
 #define outw(x, port) writew(x, __io(port))
 #define outl(x, port) writel(x, __io(port))
+#define out_le32(x, port) outl(x, port)
 
 #define inb_p(port)    inb(__io(port))
 #define inw_p(port)    inw(__io(port))