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/intel/denverton_ns/chip.c b/src/soc/intel/denverton_ns/chip.c
index 29bea2b..68bd60c 100644
--- a/src/soc/intel/denverton_ns/chip.c
+++ b/src/soc/intel/denverton_ns/chip.c
@@ -50,7 +50,7 @@
 	.enable_resources = DEVICE_NOOP,
 	.init = denverton_init_cpus,
 	.scan_bus = NULL,
-#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
+#if CONFIG(HAVE_ACPI_TABLES)
 	.acpi_fill_ssdt_generator = generate_cpu_entries,
 #endif
 };