drm/i915: Rename lvds_use_ssc modparam to panel_use_ssc

This modparam affects not only LVDS but also eDP panels. Additionally
with this rename we will keep modparam and i915_params field name in sync.
This patch will unblock us with further improvements around params defs.
Suggested-by: NVille Syrjala <ville.syrjala@intel.com>
Signed-off-by: NMichal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Ville Syrjala <ville.syrjala@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: NVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: NJani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170914150805.28376-2-michal.wajdeczko@intel.com

drivers/gpu/drm/i915/i915_params.c

@@ -105,8 +105,8 @@ MODULE_PARM_DESC(lvds_channel_mode,
 	 "Specify LVDS channel mode "
 	 "(0=probe BIOS [default], 1=single-channel, 2=dual-channel)");
 
-module_param_named_unsafe(lvds_use_ssc, i915.panel_use_ssc, int, 0600);
-MODULE_PARM_DESC(lvds_use_ssc,
+module_param_named_unsafe(panel_use_ssc, i915.panel_use_ssc, int, 0600);
+MODULE_PARM_DESC(panel_use_ssc,
 	"Use Spread Spectrum Clock with panels [LVDS/eDP] "
 	"(default: auto from VBT)");