Add Kconfig TPM

Defined as TPM1 || TPM2.

Change-Id: I18c26d6991c2ccf782a515a8e90a3eb82b53b0e6
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54853
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

src/drivers/pc80/tpm/tis.c

@@ -877,7 +877,7 @@ static struct pnp_info pnp_dev_info[] = {
 
 static void enable_dev(struct device *dev)
 {
-	if (CONFIG(TPM1) || CONFIG(TPM2))
+	if (CONFIG(TPM))
 		pnp_enable_devices(dev, &lpc_tpm_ops,
 			ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
 }