exynos: Enable I2C TPM for smdk5250

This is used on some Exynos 5250 variants.

Signed-off-by: Simon Glass <sjg@chromium.org>

include/configs/exynos5250-dt.h

@@ -129,6 +129,13 @@
 #define CONFIG_USB_EHCI_EXYNOS
 #define CONFIG_USB_STORAGE
 
+/* TPM */
+#define CONFIG_TPM
+#define CONFIG_CMD_TPM
+#define CONFIG_INFINEON_TPM_I2C
+#define CONFIG_INFINEON_TPM_I2C_BUS 3
+#define CONFIG_INFINEON_TPM_I2C_ADDR 0x20
+
 /* MMC SPL */
 #define CONFIG_SPL
 #define COPY_BL2_FNPTR_ADDR	0x02020030