net: ethernet: smsc: smc91x: Fix function name in kernel-doc header

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

 drivers/net/ethernet/smsc/smc91x.c:2200: warning: Function parameter or member 'dev' not described in 'try_toggle_control_gpio'
 drivers/net/ethernet/smsc/smc91x.c:2200: warning: Function parameter or member 'desc' not described in 'try_toggle_control_gpio'
 drivers/net/ethernet/smsc/smc91x.c:2200: warning: Function parameter or member 'name' not described in 'try_toggle_control_gpio'
 drivers/net/ethernet/smsc/smc91x.c:2200: warning: Function parameter or member 'index' not described in 'try_toggle_control_gpio'
 drivers/net/ethernet/smsc/smc91x.c:2200: warning: Function parameter or member 'value' not described in 'try_toggle_control_gpio'
 drivers/net/ethernet/smsc/smc91x.c:2200: warning: Function parameter or member 'nsdelay' not described in 'try_toggle_control_gpio'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/smsc/smc91x.c

@@ -2191,7 +2191,7 @@ static const struct of_device_id smc91x_match[] = {
 MODULE_DEVICE_TABLE(of, smc91x_match);
 
 /**
- * of_try_set_control_gpio - configure a gpio if it exists
+ * try_toggle_control_gpio - configure a gpio if it exists
  * @dev: net device
  * @desc: where to store the GPIO descriptor, if it exists
  * @name: name of the GPIO in DT