--- zzzz-none-000/linux-4.19.183/arch/arm/boot/dts/Makefile	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/arch/arm/boot/dts/Makefile	2023-06-28 08:54:18.000000000 +0000
@@ -1207,3 +1207,5 @@
 	aspeed-bmc-opp-zaius.dtb \
 	aspeed-bmc-portwell-neptune.dtb \
 	aspeed-bmc-quanta-q71l.dtb
+
+subdir-$(if $(CONFIG_BCM_CHIP_NUMBER),y) := brcm