soc/intel/{adl,mtl,tgl}: change selection for DEFAULT_SOFTWARE_CONNECTION_MANAGER

Needs to be selected for ChromeOS mainboards even for non-ChromeOS
builds, else Thunderbolt/USB4 doesn't work under Windows (and likely
Linux as well).

TEST=build/boot Windows on drobit/banshee, verify TB functional

Change-Id: Iee3f99840f0c6cc384d9fdef6dff55bcbfc0380f
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72140
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Sean Rhodes <sean@starlabs.systems>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/intel/tigerlake/Kconfig b/src/soc/intel/tigerlake/Kconfig
index 0e7bb64..9151450 100644
--- a/src/soc/intel/tigerlake/Kconfig
+++ b/src/soc/intel/tigerlake/Kconfig
@@ -18,6 +18,7 @@
 	select CPU_INTEL_FIRMWARE_INTERFACE_TABLE
 	select CPU_SUPPORTS_INTEL_TME
 	select CPU_SUPPORTS_PM_TIMER_EMULATION
+	select DEFAULT_SOFTWARE_CONNECTION_MANAGER if MAINBOARD_HAS_CHROMEOS
 	select DISPLAY_FSP_VERSION_INFO if !FSP_TYPE_IOT
 	select DRIVERS_USB_ACPI
 	select EDK2_CPU_TIMER_LIB if PAYLOAD_EDK2
@@ -295,9 +296,6 @@
 	int
 	default 16
 
-config CHROMEOS
-	select DEFAULT_SOFTWARE_CONNECTION_MANAGER
-
 # Intel recommends reserving the following resources per USB4 root port,
 # from TGL BIOS Spec (doc #611569) Revision 0.7.6 Section 7.2.5.1.5
 # - 42 buses