treewide: Move device_tree to commonlib

Signed-off-by: Maximilian Brune <maximilian.brune@9elements.com>
Change-Id: I990d74d9fff06b17ec8a6ee962955e4b0df8b907
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77970
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/sifive/hifive-unleashed/fixup_fdt.c b/src/mainboard/sifive/hifive-unleashed/fixup_fdt.c
index dda71b6..c4999a5 100644
--- a/src/mainboard/sifive/hifive-unleashed/fixup_fdt.c
+++ b/src/mainboard/sifive/hifive-unleashed/fixup_fdt.c
@@ -7,7 +7,7 @@
 #include <soc/otp.h>
 #include <soc/sdram.h>
 #include <cbfs.h>
-#include <device_tree.h>
+#include <commonlib/device_tree.h>
 #include <bootstate.h>
 #include <mcall.h>