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/mainboard/amd/parmer/OemCustomize.c

@@ -166,7 +166,7 @@ static const PCIe_DDI_DESCRIPTOR DdiList[] = {
 void board_BeforeInitReset(struct sysinfo *cb, AMD_RESET_PARAMS *Reset)
 {
 	FCH_RESET_INTERFACE *FchReset = &Reset->FchInterface;
-	FchReset->Xhci0Enable = IS_ENABLED(CONFIG_HUDSON_XHCI_ENABLE);
+	FchReset->Xhci0Enable = CONFIG(HUDSON_XHCI_ENABLE);
 	FchReset->Xhci1Enable = FALSE;
 }