[PATCH] make i386 dma-mapping.h includeable standalone

From: Christoph Hellwig <hch@lst.de>

From: Debian kernel package, author probably Herbert Xu

Include asm/io.h and asm/scatterlist.h in include/asm-i386/dma-mapping.h to
make it useable standalone, which is already true for most architectures.

include/asm-i386/dma-mapping.h

@@ -2,6 +2,8 @@
 #define _ASM_I386_DMA_MAPPING_H
 
 #include <asm/cache.h>
+#include <asm/io.h>
+#include <asm/scatterlist.h>
 
 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)