drm/i915/selftests: Include <linux/prandom.h> instead of <linux/random.h>

Substitute the inclusion of <linux/random.h> header with
<linux/prandom.h> to allow the removal of legacy inclusion
of <linux/prandom.h> from <linux/random.h>.

Signed-off-by: Uros Bizjak <[email protected]>
Cc: Joonas Lahtinen <[email protected]>
Cc: Rodrigo Vivi <[email protected]>
Cc: Tvrtko Ursulin <[email protected]>
Cc: David Airlie <[email protected]>
Cc: Daniel Vetter <[email protected]>
Acked-by: Jani Nikula <[email protected]>
Signed-off-by: Jason A. Donenfeld <[email protected]>

Author: ubizjak

drivers/gpu/drm/i915/selftests/i915_gem.c

@@ -4,7 +4,7 @@
  * Copyright © 2018 Intel Corporation
  */
 
-#include <linux/random.h>
+#include <linux/prandom.h>
 
 #include "gem/i915_gem_internal.h"
 #include "gem/i915_gem_pm.h"

drivers/gpu/drm/i915/selftests/i915_random.h

@@ -26,7 +26,7 @@
 #define __I915_SELFTESTS_RANDOM_H__
 
 #include <linux/math64.h>
-#include <linux/random.h>
+#include <linux/prandom.h>
 
 #include "../i915_selftest.h"
 

drivers/gpu/drm/i915/selftests/scatterlist.c

@@ -22,7 +22,7 @@
  */
 
 #include <linux/prime_numbers.h>
-#include <linux/random.h>
+#include <linux/prandom.h>
 
 #include "i915_selftest.h"
 #include "i915_utils.h"