Recent ISP6312 FLX firmware can support both ISP6312 and
ISP6322 chips.  Consolidate ISP6322 handling into the
ISP6312 firmware loader files.

Remove ql6322.c file.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>