drm: move i915_hdcp_interface.h under include/drm/intel

Clean up the top level include/drm directory by grouping all the Intel
specific files under a common subdirectory.

Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Dave Airlie <airlied@gmail.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Tomas Winkler <tomas.winkler@intel.com>
Acked-by: Lucas De Marchi <lucas.demarchi@intel.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/5f53384118e33123d3c87b94cc8835360237698b.1717075103.git.jani.nikula@intel.com

drivers/gpu/drm/i915/display/intel_display_types.h

@@ -44,7 +44,7 @@
 #include <drm/drm_rect.h>
 #include <drm/drm_vblank.h>
 #include <drm/drm_vblank_work.h>
-#include <drm/i915_hdcp_interface.h>
+#include <drm/intel/i915_hdcp_interface.h>
 #include <media/cec-notifier.h>
 
 #include "i915_vma.h"

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

@@ -3,7 +3,7 @@
  * Copyright 2023, Intel Corporation.
  */
 
-#include <drm/i915_hdcp_interface.h>
+#include <drm/intel/i915_hdcp_interface.h>
 
 #include "gem/i915_gem_region.h"
 #include "gt/intel_gt.h"

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

@@ -4,7 +4,7 @@
  */
 
 #include <linux/err.h>
-#include <drm/i915_hdcp_interface.h>
+#include <drm/intel/i915_hdcp_interface.h>
 
 #include "i915_drv.h"
 #include "intel_hdcp_gsc_message.h"

drivers/gpu/drm/xe/display/xe_hdcp_gsc.c

@@ -4,7 +4,7 @@
  */
 
 #include <drm/drm_print.h>
-#include <drm/i915_hdcp_interface.h>
+#include <drm/intel/i915_hdcp_interface.h>
 #include <linux/delay.h>
 
 #include "abi/gsc_command_header_abi.h"

drivers/misc/mei/hdcp/mei_hdcp.c

@@ -24,7 +24,7 @@
 #include <linux/component.h>
 #include <drm/drm_connector.h>
 #include <drm/intel/i915_component.h>
-#include <drm/i915_hdcp_interface.h>
+#include <drm/intel/i915_hdcp_interface.h>
 
 #include "mei_hdcp.h"