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/lib/cbmem_console.c

@@ -184,7 +184,7 @@ ROMSTAGE_CBMEM_INIT_HOOK(cbmemc_reinit)
 RAMSTAGE_CBMEM_INIT_HOOK(cbmemc_reinit)
 POSTCAR_CBMEM_INIT_HOOK(cbmemc_reinit)
 
-#if IS_ENABLED(CONFIG_CONSOLE_CBMEM_DUMP_TO_UART)
+#if CONFIG(CONSOLE_CBMEM_DUMP_TO_UART)
 void cbmem_dump_console(void)
 {
 	struct cbmem_console *cbm_cons_p;