treewide: Replace CONFIG(ARCH_xx) tests

Once we support building stages for different architectures,
such CONFIG(ARCH_xx) tests do not evaluate correctly anymore.

Change-Id: I599995b3ed5c4dfd578c87067fe8bfc8c75b9d43
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42183
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/device/device.c

@@ -12,7 +12,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <smp/spinlock.h>
-#if CONFIG(ARCH_X86)
+#if ENV_X86
 #include <arch/ebda.h>
 #endif
 #include <timer.h>
@@ -566,7 +566,7 @@ void dev_initialize(void)
 
 	printk(BIOS_INFO, "Initializing devices...\n");
 
-#if CONFIG(ARCH_X86)
+#if ENV_X86
 	/* Ensure EBDA is prepared before Option ROMs. */
 	setup_default_ebda();
 #endif