drm/edid: include drm_eld.h only where required

Reduce the dependencies on drm_eld.h. Some files might be able to drop
the dependency on drm_edid.h too with the direct inclusion of drm_eld.h.

Cc: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Reviewed-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/9f5963ce900d747f3279312c0cd1da599fd83f94.1698747331.git.jani.nikula@intel.com

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

@@ -25,6 +25,7 @@
 #include <linux/kernel.h>
 
 #include <drm/drm_edid.h>
+#include <drm/drm_eld.h>
 #include <drm/i915_component.h>
 
 #include "i915_drv.h"

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

@@ -4,6 +4,7 @@
  */
 
 #include <drm/drm_edid.h>
+#include <drm/drm_eld.h>
 
 #include "i915_drv.h"
 #include "intel_crtc_state_dump.h"

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

@@ -35,6 +35,7 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_edid.h>
+#include <drm/drm_eld.h>
 
 #include "i915_drv.h"
 #include "i915_reg.h"