ACPICA: hide private headers

Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/acpica/exoparg6.c b/drivers/acpi/acpica/exoparg6.c
index bbbba50..ae43f76 100644
--- a/drivers/acpi/acpica/exoparg6.c
+++ b/drivers/acpi/acpica/exoparg6.c
@@ -43,10 +43,10 @@
  */
 
 #include <acpi/acpi.h>
-#include <acpi/accommon.h>
-#include <acpi/acinterp.h>
-#include <acpi/acparser.h>
-#include <acpi/amlcode.h>
+#include "accommon.h"
+#include "acinterp.h"
+#include "acparser.h"
+#include "amlcode.h"
 
 #define _COMPONENT          ACPI_EXECUTER
 ACPI_MODULE_NAME("exoparg6")