Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/acpi/acpica/utascii.c b/drivers/acpi/acpica/utascii.c
index 04ff61e..f6cd7d4 100644
--- a/drivers/acpi/acpica/utascii.c
+++ b/drivers/acpi/acpica/utascii.c
@@ -3,7 +3,7 @@
  *
  * Module Name: utascii - Utility ascii functions
  *
- * Copyright (C) 2000 - 2018, Intel Corp.
+ * Copyright (C) 2000 - 2019, Intel Corp.
  *
  *****************************************************************************/
 
@@ -30,7 +30,7 @@
 
 	/* Validate each character in the signature */
 
-	for (i = 0; i < ACPI_NAME_SIZE; i++) {
+	for (i = 0; i < ACPI_NAMESEG_SIZE; i++) {
 		if (!acpi_ut_valid_name_char(name[i], i)) {
 			return (FALSE);
 		}