ACPICA: Move all ASCII utilities to a common file

ACPICA commit ba60e4500053010bf775d58f6f61febbdb94d817

New file is utascii.c

Link: https://github.com/acpica/acpica/commit/ba60e450
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/utstring.c b/drivers/acpi/acpica/utstring.c
index 241259b..288913a 100644
--- a/drivers/acpi/acpica/utstring.c
+++ b/drivers/acpi/acpica/utstring.c
@@ -145,73 +145,6 @@
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ut_valid_acpi_char
- *
- * PARAMETERS:  char            - The character to be examined
- *              position        - Byte position (0-3)
- *
- * RETURN:      TRUE if the character is valid, FALSE otherwise
- *
- * DESCRIPTION: Check for a valid ACPI character. Must be one of:
- *              1) Upper case alpha
- *              2) numeric
- *              3) underscore
- *
- *              We allow a '!' as the last character because of the ASF! table
- *
- ******************************************************************************/
-
-u8 acpi_ut_valid_acpi_char(char character, u32 position)
-{
-
-	if (!((character >= 'A' && character <= 'Z') ||
-	      (character >= '0' && character <= '9') || (character == '_'))) {
-
-		/* Allow a '!' in the last position */
-
-		if (character == '!' && position == 3) {
-			return (TRUE);
-		}
-
-		return (FALSE);
-	}
-
-	return (TRUE);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_valid_acpi_name
- *
- * PARAMETERS:  name            - The name to be examined. Does not have to
- *                                be NULL terminated string.
- *
- * RETURN:      TRUE if the name is valid, FALSE otherwise
- *
- * DESCRIPTION: Check for a valid ACPI name. Each character must be one of:
- *              1) Upper case alpha
- *              2) numeric
- *              3) underscore
- *
- ******************************************************************************/
-
-u8 acpi_ut_valid_acpi_name(char *name)
-{
-	u32 i;
-
-	ACPI_FUNCTION_ENTRY();
-
-	for (i = 0; i < ACPI_NAME_SIZE; i++) {
-		if (!acpi_ut_valid_acpi_char(name[i], i)) {
-			return (FALSE);
-		}
-	}
-
-	return (TRUE);
-}
-
-/*******************************************************************************
- *
  * FUNCTION:    acpi_ut_repair_name
  *
  * PARAMETERS:  name            - The ACPI name to be repaired
@@ -253,7 +186,7 @@
 	/* Check each character in the name */
 
 	for (i = 0; i < ACPI_NAME_SIZE; i++) {
-		if (acpi_ut_valid_acpi_char(name[i], i)) {
+		if (acpi_ut_valid_name_char(name[i], i)) {
 			continue;
 		}