scsi: tcm_qla2xxx: Minimize #include directives

Only include those header files that are needed by the code in this source
file.

[mkp: include build fix from Bart for SPARC]

Cc: Himanshu Madhani <hmadhani@marvell.com>
Cc: Giridhar Malavali <gmalavali@marvell.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qla2xxx/tcm_qla2xxx.c

@@ -24,22 +24,16 @@
 
 
 #include <linux/module.h>
-#include <linux/moduleparam.h>
 #include <linux/utsname.h>
 #include <linux/vmalloc.h>
-#include <linux/init.h>
 #include <linux/list.h>
 #include <linux/slab.h>
-#include <linux/kthread.h>
 #include <linux/types.h>
 #include <linux/string.h>
 #include <linux/configfs.h>
 #include <linux/ctype.h>
 #include <asm/unaligned.h>
-#include <scsi/scsi.h>
 #include <scsi/scsi_host.h>
-#include <scsi/scsi_device.h>
-#include <scsi/scsi_cmnd.h>
 #include <target/target_core_base.h>
 #include <target/target_core_fabric.h>