drm/i915/pxp: fix i915_pxp_tee_interface.h kernel-doc warnings

Make documentation match code. Slightly fix up the documentation
comments while at it.

v2:
- Move comments next to members instead of struct comment (Lucas)
- Small fixups while at it

Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/7c26256dc00f970f94d145b73e341c36f553dfe4.1709898638.git.jani.nikula@intel.com

include/drm/i915_pxp_tee_interface.h

@@ -12,20 +12,26 @@ struct scatterlist;
 
 /**
  * struct i915_pxp_component_ops - ops for PXP services.
- * @owner: Module providing the ops
- * @send: sends data to PXP
- * @receive: receives data from PXP
  */
 struct i915_pxp_component_ops {
 	/**
-	 * @owner: owner of the module provding the ops
+	 * @owner: Module providing the ops.
 	 */
 	struct module *owner;
 
+	/**
+	 * @send: Send a PXP message.
+	 */
 	int (*send)(struct device *dev, const void *message, size_t size,
 		    unsigned long timeout_ms);
+	/**
+	 * @recv: Receive a PXP message.
+	 */
 	int (*recv)(struct device *dev, void *buffer, size_t size,
 		    unsigned long timeout_ms);
+	/**
+	 * @gsc_command: Send a GSC command.
+	 */
 	ssize_t (*gsc_command)(struct device *dev, u8 client_id, u32 fence_id,
 			       struct scatterlist *sg_in, size_t total_in_len,
 			       struct scatterlist *sg_out);
@@ -35,14 +41,21 @@ struct i915_pxp_component_ops {
 /**
  * struct i915_pxp_component - Used for communication between i915 and TEE
  * drivers for the PXP services
- * @tee_dev: device that provide the PXP service from TEE Bus.
- * @pxp_ops: Ops implemented by TEE driver, used by i915 driver.
  */
 struct i915_pxp_component {
+	/**
+	 * @tee_dev: device that provide the PXP service from TEE Bus.
+	 */
 	struct device *tee_dev;
+
+	/**
+	 * @ops: Ops implemented by TEE driver, used by i915 driver.
+	 */
 	const struct i915_pxp_component_ops *ops;
 
-	/* To protect the above members. */
+	/**
+	 * @mutex: To protect the above members.
+	 */
 	struct mutex mutex;
 };