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/i440bx/raminit.h b/src/northbridge/intel/i440bx/raminit.h
index e20d559..4711359 100644
--- a/src/northbridge/intel/i440bx/raminit.h
+++ b/src/northbridge/intel/i440bx/raminit.h
@@ -29,7 +29,7 @@
 void sdram_initialize(void);
 
 /* Debug */
-#if IS_ENABLED(CONFIG_DEBUG_RAM_SETUP)
+#if CONFIG(DEBUG_RAM_SETUP)
 void dump_spd_registers(void);
 void dump_pci_device(unsigned dev);
 #else