scsi: bfa: Demote non-kerneldoc headers down to standard comment blocks

This is probably historical (Doxygen?).

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

 drivers/scsi/bfa/bfa_ioc.c:6646: warning: Cannot understand  * @brief hardware error definition
 drivers/scsi/bfa/bfa_ioc.c:6661: warning: Cannot understand  * @brief flash command register data structure
 drivers/scsi/bfa/bfa_ioc.c:6685: warning: Cannot understand  * @brief flash device status register data structure
 drivers/scsi/bfa/bfa_ioc.c:6711: warning: Cannot understand  * @brief flash address register data structure
 drivers/scsi/bfa/bfa_ioc.c:6732: warning: Function parameter or member 'pci_bar' not described in 'bfa_flash_set_cmd'
 drivers/scsi/bfa/bfa_ioc.c:6732: warning: Function parameter or member 'wr_cnt' not described in 'bfa_flash_set_cmd'
 drivers/scsi/bfa/bfa_ioc.c:6732: warning: Function parameter or member 'rd_cnt' not described in 'bfa_flash_set_cmd'
 drivers/scsi/bfa/bfa_ioc.c:6732: warning: Function parameter or member 'ad_cnt' not described in 'bfa_flash_set_cmd'
 drivers/scsi/bfa/bfa_ioc.c:6732: warning: Function parameter or member 'op' not described in 'bfa_flash_set_cmd'
 drivers/scsi/bfa/bfa_ioc.c:6768: warning: Cannot understand  * @brief
 drivers/scsi/bfa/bfa_ioc.c:6807: warning: Cannot understand  * @brief
 drivers/scsi/bfa/bfa_ioc.c:6852: warning: Cannot understand  * @brief
 drivers/scsi/bfa/bfa_ioc.c:6898: warning: Cannot understand  * @brief
 drivers/scsi/bfa/bfa_ioc.c:6914: warning: Cannot understand  * @brief
 drivers/scsi/bfa/bfa_ioc.c:6940: warning: Cannot understand  * @brief

Link: https://lore.kernel.org/r/20200723122446.1329773-34-lee.jones@linaro.org
Cc: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
Cc: Sudarsana Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/bfa/bfa_ioc.c

@@ -6642,8 +6642,8 @@ enum bfa_flash_cmd {
 	BFA_FLASH_READ_STATUS	= 0x05,	/* read status */
 };
 
-/**
- * @brief hardware error definition
+/*
+ * Hardware error definition
  */
 enum bfa_flash_err {
 	BFA_FLASH_NOT_PRESENT	= -1,	/*!< flash not present */
@@ -6657,8 +6657,8 @@ enum bfa_flash_err {
 	BFA_FLASH_ERR_LEN	= -9,	/*!< invalid length */
 };
 
-/**
- * @brief flash command register data structure
+/*
+ * Flash command register data structure
  */
 union bfa_flash_cmd_reg_u {
 	struct {
@@ -6681,8 +6681,8 @@ union bfa_flash_cmd_reg_u {
 	u32	i;
 };
 
-/**
- * @brief flash device status register data structure
+/*
+ * Flash device status register data structure
  */
 union bfa_flash_dev_status_reg_u {
 	struct {
@@ -6707,8 +6707,8 @@ union bfa_flash_dev_status_reg_u {
 	u32	i;
 };
 
-/**
- * @brief flash address register data structure
+/*
+ * Flash address register data structure
  */
 union bfa_flash_addr_reg_u {
 	struct {
@@ -6723,7 +6723,7 @@ union bfa_flash_addr_reg_u {
 	u32	i;
 };
 
-/**
+/*
  * dg flash_raw_private Flash raw private functions
  */
 static void
@@ -6764,7 +6764,7 @@ bfa_flash_cmd_act_check(void __iomem *pci_bar)
 	return 0;
 }
 
-/**
+/*
  * @brief
  * Flush FLI data fifo.
  *
@@ -6803,7 +6803,7 @@ bfa_flash_fifo_flush(void __iomem *pci_bar)
 	return 0;
 }
 
-/**
+/*
  * @brief
  * Read flash status.
  *
@@ -6848,7 +6848,7 @@ bfa_flash_status_read(void __iomem *pci_bar)
 	return ret_status;
 }
 
-/**
+/*
  * @brief
  * Start flash read operation.
  *
@@ -6894,7 +6894,7 @@ bfa_flash_read_start(void __iomem *pci_bar, u32 offset, u32 len,
 	return 0;
 }
 
-/**
+/*
  * @brief
  * Check flash read operation.
  *
@@ -6910,7 +6910,7 @@ bfa_flash_read_check(void __iomem *pci_bar)
 
 	return 0;
 }
-/**
+/*
  * @brief
  * End flash read operation.
  *
@@ -6936,7 +6936,7 @@ bfa_flash_read_end(void __iomem *pci_bar, u32 len, char *buf)
 	bfa_flash_fifo_flush(pci_bar);
 }
 
-/**
+/*
  * @brief
  * Perform flash raw read.
  *