configs/broadcom_northstar_defconfig: adjust DTS paths

Starting with kernel release v6.5 ARM DTS files are placed in vendor
subdirectories (Linux commit 724ba6751532 ("ARM: dts: Move .dts files to
vendor sub-directories")).

This fixes:
make[3]: *** No rule to make target 'arch/arm/boot/dts/bcm4708-smartrg-sr400ac.dtb'.  Stop.
make[2]: *** [Makefile:1384: bcm4708-smartrg-sr400ac.dtb] Error 2
make[3]: *** No rule to make target 'arch/arm/boot/dts/bcm47094-luxul-xwr-3150-v1.dtb'.  Stop.
make[2]: *** [Makefile:1384: bcm47094-luxul-xwr-3150-v1.dtb] Error 2

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
1 file changed