staging: imx-drm: Convert to new ipu_cpmem API
staging: imx-drm: Convert to new ipu_cpmem API

The ipu_cpmem_*() calls now take a channel pointer instead of a
pointer into cpmem for that channel.

Signed-off-by: Steve Longerbeam <8c188e05ba274fa98ae533cac185ab207938eb34@mentor.com>
Signed-off-by: Philipp Zabel <db7328bbf81a38b011e8d0f5302fd54c788d0608@pengutronix.de>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs