qla2xxx: Fail adapter initialization on load ram failure.

If we fail to load one of the segments of firmware fail the operation
instead of trying to continue which will lead to a system crash since
the pointers to the next segment will not be updated correctly.

Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>