scsi: target: core: Bump INQUIRY VERSION to SPC-4

Bump the SCSI primary command set standard to SPC-4. The upcoming version
descriptors will report newer SCSI standards (like SBC-3) that are not
defined in SPC-3.

Link: https://lore.kernel.org/r/20210513192804.1252142-2-k.shelekhin@yadro.comReviewed-by: Roman Bolshakov <r.bolshakov@yadro.com>
Signed-off-by: Konstantin Shelekhin <k.shelekhin@yadro.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/target/target_core_spc.c

@@ -58,7 +58,7 @@ spc_emulate_inquiry_std(struct se_cmd *cmd, unsigned char *buf)
 	if (dev->transport->get_device_type(dev) == TYPE_TAPE)
 		buf[1] = 0x80;
 
-	buf[2] = 0x05; /* SPC-3 */
+	buf[2] = 0x06; /* SPC-4 */
 
 	/*
 	 * NORMACA and HISUP = 0, RESPONSE DATA FORMAT = 2