drm/i915: use system include for drm headers

Use <> instead of "" for including headers from include/, even if the
file is in the same directory.
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Acked-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ed02b81fcbbc0d27be4af460c521aefbfdc76375.1712743191.git.jani.nikula@intel.com

include/drm/i915_component.h

@@ -24,7 +24,7 @@
 #ifndef _I915_COMPONENT_H_
 #define _I915_COMPONENT_H_
 
-#include "drm_audio_component.h"
+#include <drm/drm_audio_component.h>
 
 enum i915_component_type {
 	I915_COMPONENT_AUDIO = 1,