ec/starlabs/merlin: Change the symbol to check before mirroring

The EC should be mirrored (if it's out of date) unconditionally if
the board support Thunderbolt. Use DRIVERS_INTEL_USB4_RETIMER instead
of SOC_INTEL_COMMON_BLOCK_TCSS as it's more suitable.

Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Change-Id: I27b238d4d404746c9a70bacf8e60d9e0b0e1ccca
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76579
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/ec/starlabs/merlin/ite.c b/src/ec/starlabs/merlin/ite.c
index 62210ad..c7a0279 100644
--- a/src/ec/starlabs/merlin/ite.c
+++ b/src/ec/starlabs/merlin/ite.c
@@ -82,7 +82,7 @@
 	uint16_t ec_version = ec_get_version();
 
 	if (CONFIG(EC_STARLABS_MIRROR_SUPPORT) &&
-		(CONFIG(SOC_INTEL_COMMON_BLOCK_TCSS) || get_uint_option("mirror_flag", 0)) &&
+		(CONFIG(DRIVERS_INTEL_USB4_RETIMER) || get_uint_option("mirror_flag", 0)) &&
 		(ec_version != CONFIG_EC_STARLABS_MIRROR_VERSION)) {
 		printk(BIOS_ERR, "ITE: EC version 0x%x doesn't match coreboot version 0x%x.\n",
 			ec_version, CONFIG_EC_STARLABS_MIRROR_VERSION);