[SCSI] fusion: power pc and miscellaneous bug fixs

* Endian fix's for warnings found in ppc environment.
* Fix compile time warning when calling scsi_device_reprobe, where
in newer kernels this API expects its return value to be examined.
* Fix compile errors when debug messages are enabled.

Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>