[PATCH] ipw2200: Fix endian issues with v3.0 fw image format

This patch corrects endian issues with the v3.0 fw image format.

Signed-off-by: James Ketrenos <jketreno@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>