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/northbridge/intel/sandybridge/gma.c b/src/northbridge/intel/sandybridge/gma.c
index ce2abd9..00180fe 100644
--- a/src/northbridge/intel/sandybridge/gma.c
+++ b/src/northbridge/intel/sandybridge/gma.c
@@ -625,7 +625,7 @@
 	/* Init graphics power management */
 	gma_pm_init_pre_vbios(dev);
 
-	if (!IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT))
+	if (!CONFIG(MAINBOARD_DO_NATIVE_VGA_INIT))
 		/* PCI Init, will run VBIOS */
 		pci_dev_init(dev);
 
@@ -636,7 +636,7 @@
 
 	/* Running graphics init on S3 breaks Linux drm driver. */
 	if (!acpi_is_wakeup_s3() &&
-	    IS_ENABLED(CONFIG_MAINBOARD_USE_LIBGFXINIT)) {
+	    CONFIG(MAINBOARD_USE_LIBGFXINIT)) {
 		if (vga_disable) {
 			printk(BIOS_INFO,
 			       "IGD is not decoding legacy VGA MEM and IO: skipping NATIVE graphic init\n");