drm/i915: Show machine type in error state

As the question of 32b/64b kernels became relevant in the light of
certain bugs, include that information in the error state.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Acked-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190103101245.15100-1-chris@chris-wilson.co.uk

drivers/gpu/drm/i915/i915_gpu_error.c

@@ -665,7 +665,9 @@ static void __err_print_to_sgl(struct drm_i915_error_state_buf *m,
 
 	if (*error->error_msg)
 		err_printf(m, "%s\n", error->error_msg);
-	err_printf(m, "Kernel: %s\n", init_utsname()->release);
+	err_printf(m, "Kernel: %s %s\n",
+		   init_utsname()->release,
+		   init_utsname()->machine);
 	ts = ktime_to_timespec64(error->time);
 	err_printf(m, "Time: %lld s %ld us\n",
 		   (s64)ts.tv_sec, ts.tv_nsec / NSEC_PER_USEC);