trusty: Set dma_mask

Set dma_mask to 48 bits. This is the current limit of our encoded page
information. Allow sharing memory above 4GB with trusty on platforms
where the default dma_mask is 32 bits.

Bug: 157705770
Change-Id: Ic386fc9f1213123c183a675157d2bcc290a2cf43
Signed-off-by: Arve Hjønnevåg <arve@android.com>
1 file changed