input: lm8323: general clean up

This patch cleans up lm8323 driver a little bit:

- don't include <asm/mach-types.h> nor <asm/mach/irq.h>
- remove #define DRIVER_NAME
- don't try to fix pdata if it comes wrong, return -errno
- remove __devexit from remove() call
- move module_init() and module_exit() closer to their arguments
- add missing fields to n800's lm8323's pdata

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>