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/haswell/gma.c b/src/northbridge/intel/haswell/gma.c
index 3b043a3..0fd0228 100644
--- a/src/northbridge/intel/haswell/gma.c
+++ b/src/northbridge/intel/haswell/gma.c
@@ -35,7 +35,7 @@
 #include "chip.h"
 #include "haswell.h"
 
-#if IS_ENABLED(CONFIG_CHROMEOS)
+#if CONFIG(CHROMEOS)
 #include <vendorcode/google/chromeos/chromeos.h>
 #endif
 
@@ -240,7 +240,7 @@
 	 * after we power up the AUX channel until we can talk to it.
 	 * So get that going right now. We can't turn on the panel, yet, just VDD.
 	 */
-	if (IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT)) {
+	if (CONFIG(MAINBOARD_DO_NATIVE_VGA_INIT)) {
 		gtt_write(PCH_PP_CONTROL, PCH_PP_UNLOCK| EDP_FORCE_VDD | PANEL_POWER_RESET);
 	}
 }
@@ -475,7 +475,7 @@
 
 	int vga_disable = (pci_read_config16(dev, GGC) & 2) >> 1;
 
-	if (IS_ENABLED(CONFIG_MAINBOARD_USE_LIBGFXINIT)) {
+	if (CONFIG(MAINBOARD_USE_LIBGFXINIT)) {
 		if (vga_disable) {
 			printk(BIOS_INFO,
 			       "IGD is not decoding legacy VGA MEM and IO: skipping NATIVE graphic init\n");