tpm: Convert board config TPM options to Kconfig

Convert all TPM options to Kconfig and tidy up.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Christophe Ricard <christophe-h.ricard@st.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
diff --git a/configs/coreboot-x86_defconfig b/configs/coreboot-x86_defconfig
index df3a624..66b8caa 100644
--- a/configs/coreboot-x86_defconfig
+++ b/configs/coreboot-x86_defconfig
@@ -14,5 +14,7 @@
 CONFIG_SPI_FLASH=y
 CONFIG_NETDEVICES=y
 CONFIG_E1000=y
+CONFIG_TPM_TIS_LPC=y
 CONFIG_USE_PRIVATE_LIBGCC=y
 CONFIG_SYS_VSNPRINTF=y
+CONFIG_TPM=y