MIPS: Kludge IP27 build for 2.6.39.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/include/asm/dma-mapping.h

@@ -5,7 +5,9 @@
 #include <asm/cache.h>
 #include <asm-generic/dma-coherent.h>
 
+#ifndef CONFIG_SGI_IP27	/* Kludge to fix 2.6.39 build for IP27 */
 #include <dma-coherence.h>
+#endif
 
 extern struct dma_map_ops *mips_dma_map_ops;