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/southbridge/intel/i82801jx/i82801jx.c b/src/southbridge/intel/i82801jx/i82801jx.c
index d15f0e3..ec5576d 100644
--- a/src/southbridge/intel/i82801jx/i82801jx.c
+++ b/src/southbridge/intel/i82801jx/i82801jx.c
@@ -223,7 +223,7 @@
 	i82801jx_hide_functions();
 
 	/* Reset watchdog timer. */
-#if !IS_ENABLED(CONFIG_HAVE_SMI_HANDLER)
+#if !CONFIG(HAVE_SMI_HANDLER)
 	outw(0x0008, DEFAULT_TCOBASE + 0x12); /* Set higher timer value. */
 #endif
 	outw(0x0000, DEFAULT_TCOBASE + 0x00); /* Update timer. */