ARM: mach-shmobile: Extend AP4EVB MIPI-DSI resources

Update the AP4EVB board code to go from a single I/O
resource to two I/O resources for the MIPI-DSI driver.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>