scsi: qla4xxx: Supply description for 'code'

Demote other headers which are clearly not kerneldoc.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/qla4xxx/ql4_nx.c:983: warning: Function parameter or member 'ha' not described in 'qla4_82xx_pinit_from_rom'
 drivers/scsi/qla4xxx/ql4_nx.c:983: warning: Function parameter or member 'verbose' not described in 'qla4_82xx_pinit_from_rom'
 drivers/scsi/qla4xxx/ql4_nx.c:3225: warning: Function parameter or member 'code' not described in 'qla4_8xxx_uevent_emit'
 drivers/scsi/qla4xxx/ql4_nx.c:3697: warning: Function parameter or member 'ha' not described in 'qla4_82xx_read_optrom_data'
 drivers/scsi/qla4xxx/ql4_nx.c:3697: warning: Function parameter or member 'buf' not described in 'qla4_82xx_read_optrom_data'
 drivers/scsi/qla4xxx/ql4_nx.c:3697: warning: Function parameter or member 'offset' not described in 'qla4_82xx_read_optrom_data'
 drivers/scsi/qla4xxx/ql4_nx.c:3697: warning: Function parameter or member 'length' not described in 'qla4_82xx_read_optrom_data'

Link: https://lore.kernel.org/r/20200721164148.2617584-34-lee.jones@linaro.org
Cc: QLogic-Storage-Upstream@qlogic.com
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qla4xxx/ql4_nx.c

@@ -974,10 +974,10 @@ qla4_82xx_rom_fast_read(struct scsi_qla_host *ha, int addr, int *valp)
 	return ret;
 }
 
-/**
+/*
  * This routine does CRB initialize sequence
  * to put the ISP into operational state
- **/
+ */
 static int
 qla4_82xx_pinit_from_rom(struct scsi_qla_host *ha, int verbose)
 {
@@ -3217,6 +3217,7 @@ static int qla4_8xxx_collect_md_data(struct scsi_qla_host *ha)
 /**
  * qla4_8xxx_uevent_emit - Send uevent when the firmware dump is ready.
  * @ha: pointer to adapter structure
+ * @code: uevent code to act upon
  **/
 static void qla4_8xxx_uevent_emit(struct scsi_qla_host *ha, u32 code)
 {
@@ -3685,9 +3686,9 @@ qla4_82xx_read_flash_data(struct scsi_qla_host *ha, uint32_t *dwptr,
 	return dwptr;
 }
 
-/**
+/*
  * Address and length are byte address
- **/
+ */
 static uint8_t *
 qla4_82xx_read_optrom_data(struct scsi_qla_host *ha, uint8_t *buf,
 		uint32_t offset, uint32_t length)