Update yamaha configuration variables (#6665)

* Update yamaha configuration variables

* Remove old config list

source/_components/media_player.yamaha.markdown

@@ -30,15 +30,33 @@ To add a Yamaha Network Receiver to your installation, add the following to your
 media_player:
   - platform: yamaha
 ```
-Configuration variables:
 
-- **name** (*Optional*): Name of the device. This overrides the
-  default name (often model number) that is returned by the device.
-- **host** (*Optional*): IP address or hostname of the device
-- **source_ignore** (*Optional*): List of sources to hide in the front-end
-- **source_names** (*Optional*): Mapping of internal AVR source names to custom ones, allowing one to rename e.g., `HDMI1` to `ChromeCast`
-- **zone_ignore** (*Optional*): List of zones to hide in the front-end
-- **zone_names** (*Optional*): Mapping of zone names to custom ones, allowing one to rename e.g., `Main_Zone` to `Family Room`
+{% configuration %}
+name:
+  description: Name of the device. This overrides the default name (often model number) that is returned by the device.
+  required: false
+  type: string
+host:
+  description: IP address or hostname of the device.
+  required: false
+  type: string
+source_ignore:
+  description: List of sources to hide in the front-end.
+  required: false
+  type: list
+source_names:
+  description: Mapping of internal AVR source names to custom ones, allowing one to rename e.g., `HDMI1` to `ChromeCast`.
+  required: false
+  type: list
+zone_ignore:
+  description: List of zones to hide in the front-end.
+  required: false
+  type: list
+zone_names:
+  description: Mapping of zone names to custom ones, allowing one to rename e.g., `Main_Zone` to `Family Room`.
+  required: false
+  type: list
+{% endconfiguration %}
 
 ### {% linkable_title Discovery notes %}
 

source/_components/media_player.yamaha_musiccast.markdown

@@ -24,15 +24,28 @@ media_player:
   - platform: yamaha_musiccast
     host: 192.168.xx.xx
 ```
-Configuration variables:
 
-- **host** (*Required*): IP address or hostname of the device
-- **port** (*Optional*): UDP source port. If multiple devices are present, specify a different port per device
-- **interval_seconds** (*Optional*): Polling interval (default: 480 seconds = 8 minutes)
+{% configuration %}
+host:
+  description: IP address or hostname of the device.
+  required: true
+  type: string
+port:
+  description: UDP source port. If multiple devices are present, specify a different port per device.
+  required: false
+  type: integer
+interval_seconds:
+  description: Polling interval in seconds.
+  required: false
+  type: integer
+  default: 480
+{% endconfiguration %}
 
-A few notes:
+### {% linkable_title Supported operations %}
 
-- Currently, this component supports powering on/off, mute, volume control, and source selection. Playback controls, for instance, play and stop are available for sources that support it.
+Currently, this component supports powering on/off, mute, volume control, and source selection. Playback controls, for instance, play and stop are available for sources that support it.
+
+### {% linkable_title Example configuration %}
 
 A full configuration example will look like the sample below:
 ```yaml