rpi-base: Rename the rpi0w dtb
This change is following the rename in the kernel:
commit
Author: Phil Elwell
Date:   Tue May 28 16:36:04 2019 +0100
@@ -40,7 +40,7 @@ RPI_KERNEL_DEVICETREE_OVERLAYS ?= " \
"
RPI_KERNEL_DEVICETREE ?= " \
- bcm2708-rpi-0-w.dtb \
+ bcm2708-rpi-zero-w.dtb \
bcm2708-rpi-b.dtb \
bcm2708-rpi-b-plus.dtb \
bcm2709-rpi-2-b.dtb \
