tree wide: Convert "if (CONFIG_.*_TPM.*)" to "if (IS_ENABLED(...))"

Change-Id: Ib73abb0ada7dfdfab3487c005719e19f51ef1812
Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@no-log.org>
Reviewed-on: https://review.coreboot.org/13779
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

src/cpu/intel/haswell/romstage.c

@@ -267,7 +267,7 @@ void romstage_common(const struct romstage_params *params)
 		printk(BIOS_DEBUG, "Romstage handoff structure not added!\n");
 
 	post_code(0x3f);
-	if (CONFIG_LPC_TPM) {
+	if (IS_ENABLED(CONFIG_LPC_TPM)) {
 		init_tpm(wake_from_s3);
 	}
 }