leds: leds-mlxcpld: Fix a bunch of kernel-doc formatting issues

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

drivers/leds/leds-mlxcpld.c:72: warning: cannot understand function prototype: 'struct mlxcpld_param '
drivers/leds/leds-mlxcpld.c:83: warning: cannot understand function prototype: 'struct mlxcpld_led_priv '
drivers/leds/leds-mlxcpld.c:98: warning: cannot understand function prototype: 'struct mlxcpld_led_profile '
drivers/leds/leds-mlxcpld.c:114: warning: cannot understand function prototype: 'struct mlxcpld_led_pdata '

Cc: Vadim Pasternak <[e-mail]>
Cc: Pavel Machek <[e-mail]>
Cc: [e-mail]
Signed-off-by: Lee Jones <[e-mail]>
Signed-off-by: Pavel Machek <[e-mail]>

drivers/leds/leds-mlxcpld.c

···
 #define MLXCPLD_LED_BLINK_6HZ		83 /* ~83 msec off/on */
 
 /**
- * mlxcpld_param - LED access parameters:
- * @offset - offset for LED access in CPLD device
- * @mask - mask for LED access in CPLD device
- * @base_color - base color code for LED
+ * struct mlxcpld_param - LED access parameters:
+ * @offset: offset for LED access in CPLD device
+ * @mask: mask for LED access in CPLD device
+ * @base_color: base color code for LED
 **/
 struct mlxcpld_param {
 	u8 offset;
···
 };
 
 /**
- * mlxcpld_led_priv - LED private data:
- * @cled - LED class device instance
- * @param - LED CPLD access parameters
+ * struct mlxcpld_led_priv - LED private data:
+ * @cled: LED class device instance
+ * @param: LED CPLD access parameters
 **/
 struct mlxcpld_led_priv {
 	struct led_classdev cdev;
···
 #define cdev_to_priv(c)		container_of(c, struct mlxcpld_led_priv, cdev)
 
 /**
- * mlxcpld_led_profile - system LED profile (defined per system class):
- * @offset - offset for LED access in CPLD device
- * @mask - mask for LED access in CPLD device
- * @base_color - base color code
- * @brightness - default brightness setting (on/off)
- * @name - LED name
+ * struct mlxcpld_led_profile - system LED profile (defined per system class):
+ * @offset: offset for LED access in CPLD device
+ * @mask: mask for LED access in CPLD device
+ * @base_color: base color code
+ * @brightness: default brightness setting (on/off)
+ * @name: LED name
 **/
 struct mlxcpld_led_profile {
 	u8 offset;
···
 };
 
 /**
- * mlxcpld_led_pdata - system LED private data
- * @pdev - platform device pointer
- * @pled - LED class device instance
- * @profile - system configuration profile
- * @num_led_instances - number of LED instances
- * @lock - device access lock
+ * struct mlxcpld_led_pdata - system LED private data
+ * @pdev: platform device pointer
+ * @pled: LED class device instance
+ * @profile: system configuration profile
+ * @num_led_instances: number of LED instances
+ * @lock: device access lock
 **/
 struct mlxcpld_led_pdata {
 	struct platform_device *pdev;