ACPICA: Remove the VRTC table

ACPICA commit 4534cc3700f73c88e2f6a0e0f0b9efe4fc644757

The VRTC table is no longer in use and is not defined by the ACPI
specification.  Remove the table from the known, allowed tables.

Link: https://github.com/acpica/acpica/commit/4534cc37
Signed-off-by: Al Stone <ahs3@ahs3.net>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Kaneda <erik.kaneda@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

include/acpi/actbl3.h

@@ -33,7 +33,6 @@
 #define ACPI_SIG_TCPA           "TCPA"	/* Trusted Computing Platform Alliance table */
 #define ACPI_SIG_TPM2           "TPM2"	/* Trusted Platform Module 2.0 H/W interface table */
 #define ACPI_SIG_UEFI           "UEFI"	/* Uefi Boot Optimization Table */
-#define ACPI_SIG_VRTC           "VRTC"	/* Virtual Real Time Clock Table */
 #define ACPI_SIG_WAET           "WAET"	/* Windows ACPI Emulated devices Table */
 #define ACPI_SIG_WDAT           "WDAT"	/* Watchdog Action Table */
 #define ACPI_SIG_WDDT           "WDDT"	/* Watchdog Timer Description Table */
@@ -484,28 +483,6 @@ struct acpi_table_uefi {
 	u16 data_offset;	/* Offset of remaining data in table */
 };
 
-/*******************************************************************************
- *
- * VRTC - Virtual Real Time Clock Table
- *        Version 1
- *
- * Conforms to "Simple Firmware Interface Specification",
- * Draft 0.8.2, Oct 19, 2010
- * NOTE: The ACPI VRTC is equivalent to The SFI MRTC table.
- *
- ******************************************************************************/
-
-struct acpi_table_vrtc {
-	struct acpi_table_header header;	/* Common ACPI table header */
-};
-
-/* VRTC entry */
-
-struct acpi_vrtc_entry {
-	struct acpi_generic_address physical_address;
-	u32 irq;
-};
-
 /*******************************************************************************
  *
  * WAET - Windows ACPI Emulated devices Table