mb/google,intel: Fix indirect include bootmode.h

Change-Id: I9e7200d60db4333551e34a615433fa21c3135db6
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58921
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>

src/mainboard/google/fizz/mainboard.c

@@ -2,6 +2,7 @@
 
 #include <acpi/acpi.h>
 #include <baseboard/variants.h>
+#include <bootmode.h>
 #include <chip.h>
 #include <console/console.h>
 #include <delay.h>