mb/google/rex: Enable DPTF functionality for Rex

Enable DPTF functionality for Meteor Lake Rex board.

BUG=b:262498724
TEST=Booted to OS and verified DPTF entries in ACPI SSDT on Rex board.

Change-Id: I87b2d71650be9ce940d9452bf4a76d4cd1ddba52
Signed-off-by: zhaojohn <john.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70884
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/rex/Kconfig b/src/mainboard/google/rex/Kconfig
index 7976e0b..54811ac 100644
--- a/src/mainboard/google/rex/Kconfig
+++ b/src/mainboard/google/rex/Kconfig
@@ -4,6 +4,8 @@
 	select DRIVERS_GENERIC_MAX98357A
 	select DRIVERS_I2C_GENERIC
 	select DRIVERS_I2C_HID
+	select DRIVERS_INTEL_DPTF
+	select DRIVERS_INTEL_DPTF_SUPPORTS_TPCH
 	select DRIVERS_INTEL_USB4_RETIMER
 	select DRIVERS_SOUNDWIRE_ALC5682
 	select DRIVERS_WIFI_GENERIC