raspberrypi0-wifi: update UBOOT_MACHINE variable
The rpi0-wifi has an machine/board specific defconfig instead of the generic one
@@ -9,6 +9,6 @@ include conf/machine/include/rpi-base.inc
MACHINE_EXTRA_RRECOMMENDS += "linux-firmware-bcm43430"
SDIMG_KERNELIMAGE ?= "kernel.img"
-UBOOT_MACHINE ?= "rpi_config"
+UBOOT_MACHINE ?= "rpi_0_w_defconfig"
SERIAL_CONSOLE ?= "115200 ttyS0"
VC4_CMA_SIZE ?= "cma-128"
