[ARM] 3088/1: PXA: Add machine support for the Sharp SL-6000x series of PDAs

Patch from Dirk Opfer

This patch adds basic machine support for the Sharp SL-6000x (Tosa) PDAs.

Signed-off-by: Dirk Opfer
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>