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>

src/include/trace.h

@@ -25,7 +25,7 @@
 
 #else /* !__PRE_RAM__ */
 
-#if IS_ENABLED(CONFIG_TRACE) && !defined(__SMM__)
+#if CONFIG(TRACE) && !defined(__SMM__)
 
 void __cyg_profile_func_enter(void *, void *)
 				 __attribute__((no_instrument_function));