Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 5004724..1c1b27c 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -630,7 +630,7 @@
 		 * Flag if the hardware appears to be wedged.
 		 *
 		 * This is set when attempts to idle the device timeout.
-		 * It prevents command submission from occuring and makes
+		 * It prevents command submission from occurring and makes
 		 * every pending request fail
 		 */
 		atomic_t wedged;