drm/i915/selftests: Use gt_err for GT info

It will be more informative regarding
GT if we use gt_err instead.

Cc: Andi Shyti <andi.shyti@intel.com>
Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230428125952.4037964-3-tejas.upadhyay@intel.com

drivers/gpu/drm/i915/selftests/i915_gem_evict.c

@@ -27,6 +27,7 @@
 #include "gem/selftests/igt_gem_utils.h"
 #include "gem/selftests/mock_context.h"
 #include "gt/intel_gt.h"
+#include "gt/intel_gt_print.h"
 
 #include "i915_selftest.h"
 
@@ -507,7 +508,8 @@ static int igt_evict_contexts(void *arg)
 		}
 		err = intel_gt_wait_for_idle(engine->gt, HZ * 3);
 		if (err) {
-			pr_err("Failed to idle GT (on %s)", engine->name);
+			gt_err(engine->gt, "Failed to idle GT (on %s)",
+			       engine->name);
 			break;
 		}
 	}