coreboot: Replace all IS_ENABLED(CONFIG_XXX) with CONFIG(XXX)

This patch is a raw application of

 find src/ -type f | xargs sed -i -e 's/IS_ENABLED\s*(CONFIG_/CONFIG(/g'

Change-Id: I6262d6d5c23cabe23c242b4f38d446b74fe16b88
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31774
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/soc/amd/stoneyridge/lpc.c b/src/soc/amd/stoneyridge/lpc.c
index 68b5b08..e3475ee 100644
--- a/src/soc/amd/stoneyridge/lpc.c
+++ b/src/soc/amd/stoneyridge/lpc.c
@@ -98,7 +98,7 @@
 
 	/* Set up SERIRQ, enable continuous mode */
 	byte = (PM_SERIRQ_NUM_BITS_21 | PM_SERIRQ_ENABLE);
-	if (!IS_ENABLED(CONFIG_SERIRQ_CONTINUOUS_MODE))
+	if (!CONFIG(SERIRQ_CONTINUOUS_MODE))
 		byte |= PM_SERIRQ_MODE;
 
 	pm_write8(PM_SERIRQ_CONF, byte);