mb/starlabs/starbook/adl: Enable CNVi Bluetooth UPDs

Enable "CnviBtCore" and "CnviBtAudioOffload" to increase
bluetooth performance.

Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Change-Id: Ibafabfaa39ba46620a2e06b288c457267f041ab0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77090
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>

src/mainboard/starlabs/starbook/variants/adl/devicetree.cb

@@ -17,6 +17,9 @@ chip soc/intel/alderlake
 	# FSP Silicon
 	register "eist_enable"			= "1"
 
+	register "cnvi_bt_core"			= "1"
+	register "cnvi_bt_audio_offload"	= "1"
+
 	# Serial I/O
 	register "serial_io_i2c_mode" = "{
 		[PchSerialIoIndexI2C0]		= PchSerialIoPci,