ACPICA: Add support for Windows 2020 _OSI string

ACPICA commit 2dc55de56d2deac30af0b484dd1d65607eb33a9c

Link: https://github.com/microsoft_docs/windows-driver-docs/commit/5164e24985e78ef4870d7a5801a5336104f36366
Link: https://github.com/acpica/acpica/commit/2dc55de5Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/acpi/acpica/utosi.c

@@ -73,6 +73,7 @@ static struct acpi_interface_info acpi_default_supported_interfaces[] = {
 	{"Windows 2018", NULL, 0, ACPI_OSI_WIN_10_RS4},	/* Windows 10 version 1803 - Added 11/2018 */
 	{"Windows 2018.2", NULL, 0, ACPI_OSI_WIN_10_RS5},	/* Windows 10 version 1809 - Added 11/2018 */
 	{"Windows 2019", NULL, 0, ACPI_OSI_WIN_10_19H1},	/* Windows 10 version 1903 - Added 08/2019 */
+	{"Windows 2020", NULL, 0, ACPI_OSI_WIN_10_20H1},	/* Windows 10 version 2004 - Added 08/2021 */
 
 	/* Feature Group Strings */
 

include/acpi/actypes.h

@@ -1281,6 +1281,7 @@ typedef enum {
 #define ACPI_OSI_WIN_10_RS4             0x12
 #define ACPI_OSI_WIN_10_RS5             0x13
 #define ACPI_OSI_WIN_10_19H1            0x14
+#define ACPI_OSI_WIN_10_20H1            0x15
 
 /* Definitions of getopt */