google: Disable TPMv2 on most Chromebooks

This feature is not present on older Chromebooks, so disable the
setting.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff --git a/configs/snow_defconfig b/configs/snow_defconfig
index 3a617c6..2c07571 100644
--- a/configs/snow_defconfig
+++ b/configs/snow_defconfig
@@ -88,6 +88,7 @@
 CONFIG_SOUND_WM8994=y
 CONFIG_EXYNOS_SPI=y
 CONFIG_TPM_TIS_INFINEON=y
+# CONFIG_TPM_V2 is not set
 CONFIG_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y