drm: Fix kerneldoc warns in connector-related docs

Fixes the following warnings:
../drivers/gpu/drm/drm_connector.c:989: WARNING: Unexpected indentation.
../drivers/gpu/drm/drm_connector.c:993: WARNING: Unexpected indentation.
../include/drm/drm_connector.h:544: WARNING: Inline interpreted text or phrase reference start-string without end-string.
../include/drm/drm_connector.h:544: WARNING: Inline interpreted text or phrase reference start-string without end-string.

Changes in v2:
- Use () instead of & for functions (Sam)

Fixes: 1b27fbdde1df ("drm: Add drm_atomic_get_(old|new)_connector_for_encoder() helpers")
Fixes: bb5a45d40d50 ("drm/hdcp: update content protection property with uevent")
Cc: Ramalingam C <[e-mail]>
Cc: Daniel Vetter <[e-mail]>
Cc: Pekka Paalanen <[e-mail]>
Cc: Sam Ravnborg <[e-mail]>
Cc: Laurent Pinchart <[e-mail]>
Cc: Jani Nikula <[e-mail]>
Cc: Sean Paul <[e-mail]>
Cc: Maarten Lankhorst <[e-mail]>
Cc: Maxime Ripard <[e-mail]>
Cc: Sean Paul <[e-mail]>
Cc: David Airlie <[e-mail]>
Cc: [e-mail]
Reviewed-by: Sam Ravnborg <[e-mail]>
Signed-off-by: Sean Paul <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/drm_connector.c

···
  *	- Kernel sends uevent with the connector id and property id through
  *	  @drm_hdcp_update_content_protection, upon below kernel triggered
  *	  scenarios:
- *		DESIRED -> ENABLED	(authentication success)
- *		ENABLED -> DESIRED	(termination of authentication)
+ *
+ *		- DESIRED -> ENABLED (authentication success)
+ *		- ENABLED -> DESIRED (termination of authentication)
  *	- Please note no uevents for userspace triggered property state changes,
  *	  which can't fail such as
- *		DESIRED/ENABLED -> UNDESIRED
- *		UNDESIRED -> DESIRED
+ *
+ *		- DESIRED/ENABLED -> UNDESIRED
+ *		- UNDESIRED -> DESIRED
  *	- Userspace is responsible for polling the property or listen to uevents
  *	  to determine when the value transitions from ENABLED to DESIRED.
  *	  This signifies the link is no longer protected and userspace should

include/drm/drm_connector.h

···
 	 *
 	 * This is also used in the atomic helpers to map encoders to their
 	 * current and previous connectors, see
-	 * &drm_atomic_get_old_connector_for_encoder() and
-	 * &drm_atomic_get_new_connector_for_encoder().
+	 * drm_atomic_get_old_connector_for_encoder() and
+	 * drm_atomic_get_new_connector_for_encoder().
 	 *
 	 * NOTE: Atomic drivers must fill this out (either themselves or through
 	 * helpers), for otherwise the GETCONNECTOR and GETENCODER IOCTLs will