c6x: convert to dma_map_ops

[dan.carpenter@oracle.com: C6X: fix build breakage]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Mark Salter <msalter@redhat.com>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/c6x/Kconfig b/arch/c6x/Kconfig
index 77ea09b..8602f72 100644
--- a/arch/c6x/Kconfig
+++ b/arch/c6x/Kconfig
@@ -17,6 +17,8 @@
 	select OF_EARLY_FLATTREE
 	select GENERIC_CLOCKEVENTS
 	select MODULES_USE_ELF_RELA
+	select ARCH_NO_COHERENT_DMA_MMAP
+	select HAVE_DMA_ATTRS
 
 config MMU
 	def_bool n