ACPICA: Audit/update for ACPICA return macros and debug depth counter

1) Ensure that all functions that use the various TRACE macros
   also use the appropriate ACPICA return macros.
2) Ensure that all normal return statements surround the return
   expression (value) with parens.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c
index b6cea30..285e24b 100644
--- a/drivers/acpi/acpica/tbutils.c
+++ b/drivers/acpi/acpica/tbutils.c
@@ -354,7 +354,7 @@
 		sum = (u8) (sum + *(buffer++));
 	}
 
-	return sum;
+	return (sum);
 }
 
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