ion: change ion kernel map function to not take flags argument

Buffer flags are going to be specified at allocation time rather than
map time. This removes the flags argument from the ion kernel map
function.

Change-Id: Ib983ecd0dcd7befb36287ae7037c71d4ca475f90
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
diff --git a/include/linux/ion.h b/include/linux/ion.h
index ee3ea2b..85bb182 100644
--- a/include/linux/ion.h
+++ b/include/linux/ion.h
@@ -372,8 +372,7 @@
  * can be used to access this address. If no flags are specified, this
  * will return a non-secure uncached mapping.
  */
-void *ion_map_kernel(struct ion_client *client, struct ion_handle *handle,
-			unsigned long flags);
+void *ion_map_kernel(struct ion_client *client, struct ion_handle *handle);
 
 /**
  * ion_unmap_kernel() - destroy a kernel mapping for a handle
@@ -427,7 +426,6 @@
  *		address space will be mapped to a dummy buffer.
  * @iova - pointer to store the iova address
  * @buffer_size - pointer to store the size of the buffer
- * @flags - flags for options to map
  * @iommu_flags - flags specific to the iommu.
  *
  * Maps the handle into the iova space specified via domain number. Iova