dm: tpm: Add Driver Model support for tpm_atmel_twi driver

tpm_atmel_twi can fit perfectly to the new UCLASS_TPM class.

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/controlcenterd_36BIT_SDCARD_defconfig b/configs/controlcenterd_36BIT_SDCARD_defconfig
index 21c0eab..56a4910 100644
--- a/configs/controlcenterd_36BIT_SDCARD_defconfig
+++ b/configs/controlcenterd_36BIT_SDCARD_defconfig
@@ -6,6 +6,8 @@
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_TPM=y
 CONFIG_SPI_FLASH=y
+CONFIG_DM=y
+CONFIG_DM_TPM=y
 CONFIG_TPM_ATMEL_TWI=y
 CONFIG_TPM_AUTH_SESSIONS=y
 CONFIG_TPM=y