This adds support for the MCP interface found on SA11x0 devices.
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

Add support for the core of the multimedia communication port
framework.  This is a port used to communicate with devices
with two DMA paths and a control path.
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>