[SCSI] qla2xxx: Add full firmware(-request) hotplug support for all ISPs.

Transition driver to exclusively use the request_firmware()
interfaces to retrieve firmware-blobs from user-space.  This
will be the default behaviour going forward until the
embedded firmware-binary images are removed from the
upstream kernel.

Upon request, the driver caches the firmware image until the
driver is unloaded.

NOTE: The option is present to allow the user to continue to
use the firmware-loader modules, but, should be considered
deprecated.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>

Rejections fixed up and
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 48e460e..2efca52 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -232,7 +232,7 @@
 qla2x00_isp_name_show(struct class_device *cdev, char *buf)
 {
 	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
-	return snprintf(buf, PAGE_SIZE, "%s\n", ha->brd_info->isp_name);
+	return snprintf(buf, PAGE_SIZE, "ISP%04X\n", ha->pdev->device);
 }
 
 static ssize_t