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>
diff --git a/src/drivers/pc80/tpm/tpm.c b/src/drivers/pc80/tpm/tpm.c
index 064cb99..fa46b47 100644
--- a/src/drivers/pc80/tpm/tpm.c
+++ b/src/drivers/pc80/tpm/tpm.c
@@ -37,7 +37,7 @@
 
 /* coreboot wrapper for TPM driver (start) */
 #define	TPM_DEBUG(fmt, args...)		\
-	if (CONFIG_DEBUG_TPM) {		\
+	if (IS_ENABLED(CONFIG_DEBUG_TPM)) {		\
 		printk(BIOS_DEBUG, PREFIX);		\
 		printk(BIOS_DEBUG, fmt , ##args);	\
 	}