NTB/msi: Fix ntbm_msi_request_threaded_irq() kernel-doc comment

Add the description of @msi_desc and change the @devname to @name
in ntbm_msi_request_threaded_irq() kernel-doc comment to remove
some warnings found by running scripts/kernel-doc, which is caused
by using 'make W=1'.
drivers/ntb/msi.c:285: warning: Function parameter or member 'name' not
described in 'ntbm_msi_request_threaded_irq'
drivers/ntb/msi.c:285: warning: Function parameter or member 'msi_desc'
not described in 'ntbm_msi_request_threaded_irq'
drivers/ntb/msi.c:285: warning: Excess function parameter 'devname'
description in 'ntbm_msi_request_threaded_irq'
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>

drivers/ntb/msi.c

@@ -260,8 +260,9 @@ static int ntbm_msi_setup_callback(struct ntb_dev *ntb, struct msi_desc *entry,
  * @handler:	Function to be called when the IRQ occurs
  * @thread_fn:  Function to be called in a threaded interrupt context. NULL
  *              for clients which handle everything in @handler
- * @devname:    An ascii name for the claiming device, dev_name(dev) if NULL
+ * @name:    An ascii name for the claiming device, dev_name(dev) if NULL
  * @dev_id:     A cookie passed back to the handler function
+ * @msi_desc:	MSI descriptor data which triggers the interrupt
  *
  * This function assigns an interrupt handler to an unused
  * MSI interrupt and returns the descriptor used to trigger