mb/google/skyrim: Update Kconfig to use Ti50

Skyrim uses the Ti50 GSC and the config should be updated to
reflect that.

BUG=b:233750667
TEST=Builds

Signed-off-by: Jon Murphy <jpmurphy@google.com>
Change-Id: I5d4af19ab2dda35ab687a0659898d79b08c4de97
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64669
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
diff --git a/src/mainboard/google/skyrim/Kconfig b/src/mainboard/google/skyrim/Kconfig
index bd14dc6..106b683 100644
--- a/src/mainboard/google/skyrim/Kconfig
+++ b/src/mainboard/google/skyrim/Kconfig
@@ -33,7 +33,7 @@
 	select PSP_DISABLE_POSTCODES   # TODO re-enable PSP postcodes later (b/227199049)
 	select SOC_AMD_SABRINA
 	select SOC_AMD_COMMON_BLOCK_USE_ESPI
-	select TPM_GOOGLE_CR50
+	select TPM_GOOGLE_TI50
 
 config CHROMEOS
 	select EC_GOOGLE_CHROMEEC_SWITCHES