drm/i915/tv: split out TV regs to a separate file

Clean up i915_reg.h by splitting out TV regs to display/intel_tv_regs.h.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/be4a946a7772f5b4483ad9e078cb62158849683e.1678973282.git.jani.nikula@intel.com

drivers/gpu/drm/i915/display/intel_tv.c

@@ -35,8 +35,8 @@
 #include <drm/drm_edid.h>
 
 #include "i915_drv.h"
-#include "i915_reg.h"
 #include "i915_irq.h"
+#include "i915_reg.h"
 #include "intel_connector.h"
 #include "intel_crtc.h"
 #include "intel_de.h"
@@ -44,6 +44,7 @@
 #include "intel_dpll.h"
 #include "intel_hotplug.h"
 #include "intel_tv.h"
+#include "intel_tv_regs.h"
 
 enum tv_margin {
 	TV_MARGIN_LEFT, TV_MARGIN_TOP,