arm-smmu: Implement DOMAIN_ATTR_PAGE_TABLE_IS_COHERENT

Implement support for DOMAIN_ATTR_PAGE_TABLE_IS_COHERENT.

Change-Id: Ic54416bb38d327bc9a042397caee1407e880f02a
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>
1 file changed