usb/typec: fix kernel-doc notation warning for typec_match_altmode

[Heikki Krogerus <heikki.krogerus@linux.intel.com>]

On Mon, Sep 03, 2018 at 12:58:35PM -0700, Randy Dunlap wrote:
> From: Randy Dunlap <rdunlap@infradead.org>
> 
> Fix kernel-doc warning for missing function parameter 'mode' description:
> 
> ../drivers/usb/typec/bus.c:268: warning: Function parameter or member 'mode' not described in 'typec_match_altmode'
> 
> Also fix typos for same function documentation.
> 
> Fixes: 8a37d87d72f0 ("usb: typec: Bus type for alternate modes")
> 
> Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
> Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>

Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>

> ---
>  drivers/usb/typec/bus.c |    7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> --- lnx-419-rc2.orig/drivers/usb/typec/bus.c
> +++ lnx-419-rc2/drivers/usb/typec/bus.c
> @@ -255,12 +255,13 @@ EXPORT_SYMBOL_GPL(typec_altmode_unregist
>  /* API for the port drivers */
>  
>  /**
> - * typec_match_altmode - Match SVID to an array of alternate modes
> + * typec_match_altmode - Match SVID and mode to an array of alternate modes
>   * @altmodes: Array of alternate modes
> - * @n: Number of elements in the array, or -1 for NULL termiated arrays
> + * @n: Number of elements in the array, or -1 for NULL terminated arrays
>   * @svid: Standard or Vendor ID to match with
> + * @mode: Mode to match with
>   *
> - * Return pointer to an alternate mode with SVID mathing @svid, or NULL when no
> + * Return pointer to an alternate mode with SVID matching @svid, or NULL when no
>   * match is found.
>   */
>  struct typec_altmode *typec_match_altmode(struct typec_altmode **altmodes,