staging: most: net: Fix some kernel-doc formatting issues

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

 drivers/staging/most/net/net.c:548: warning: Function parameter or member 'iface' not described in 'on_netinfo'
 drivers/staging/most/net/net.c:548: warning: Function parameter or member 'link_stat' not described in 'on_netinfo'
 drivers/staging/most/net/net.c:548: warning: Function parameter or member 'mac_addr' not described in 'on_netinfo'

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Andrey Shvetsov <andrey.shvetsov@k2l.de>
Cc: linux-staging@lists.linux.dev
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210414181129.1628598-27-lee.jones@linaro.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/most/net/net.c

@@ -539,9 +539,9 @@ static void __exit most_net_exit(void)
 
 /**
  * on_netinfo - callback for HDM to be informed about HW's MAC
- * @param iface - most interface instance
- * @param link_stat - link status
- * @param mac_addr - MAC address
+ * @iface: most interface instance
+ * @link_stat: link status
+ * @mac_addr: MAC address
  */
 static void on_netinfo(struct most_interface *iface,
 		       unsigned char link_stat, unsigned char *mac_addr)