File revert-acpi_os_ioremap.diff of Package drm

Revert the commit b705120e4198315f4ae043de06c62f65e0851fd3

---
 drivers/gpu/drm/i915/intel_opregion.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/i915/intel_opregion.c
+++ b/drivers/gpu/drm/i915/intel_opregion.c
@@ -875,7 +875,7 @@ int intel_opregion_setup(struct drm_devi
 	INIT_WORK(&opregion->asle_work, asle_work);
 #endif
 
-	base = acpi_os_ioremap(asls, OPREGION_SIZE);
+	base = ioremap(asls, OPREGION_SIZE);
 	if (!base)
 		return -ENOMEM;