mb/system76/tgl-h: Disable D3cold

Disable D3cold to prevent issues with Thunderbolt not working after S3
suspend.

Change-Id: Ib4362783546aa01f0f8f5baaad817ee76be9c39c
Signed-off-by: Tim Crawford <tcrawford@system76.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61980
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jeremy Soller <jeremy@system76.com>
diff --git a/src/mainboard/system76/tgl-h/Kconfig b/src/mainboard/system76/tgl-h/Kconfig
index 7debee2..cefee16 100644
--- a/src/mainboard/system76/tgl-h/Kconfig
+++ b/src/mainboard/system76/tgl-h/Kconfig
@@ -74,4 +74,7 @@
 config USE_PM_ACPI_TIMER
 	default n
 
+config D3COLD_SUPPORT
+	default n
+
 endif