ARM: shmobile: break out sh7372 platform devices

This patch introduces sh7372_late_devices which
should include all regular processor specific
platform devices.

Early platform devices for console and timers
should be put on the sh7372_early_devices list,
all other devices should be on sh7372_late_devices.

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