ACPICA: Divergence: Port declarators back to ACPICA

ACPICA commit c160cae765412f5736cf88a9ebcc6138aa761a48

Linux uses asmlinkage and sparse macros to mark function symbols.  This
leads to the divergences between the Linux and the ACPICA.
This patch ports such declarators back to ACPICA. Lv Zheng.

Link: https://github.com/acpica/acpica/commit/c160cae7
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/include/acpi/platform/acenv.h b/include/acpi/platform/acenv.h
index 86b5a84..ed959e5 100644
--- a/include/acpi/platform/acenv.h
+++ b/include/acpi/platform/acenv.h
@@ -403,4 +403,8 @@
 #endif				/* ACPI_APPLICATION */
 #endif				/* ACPI_FILE */
 
+#ifndef ACPI_INIT_FUNCTION
+#define ACPI_INIT_FUNCTION
+#endif
+
 #endif				/* __ACENV_H__ */