arm64: dts: qcom: qrb4210-rb1: add firmware-name qualifier to WiFi node

Add firmware-name property to the WiFi device tree node to specify
board-specific lookup directory.

Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240306-wcn3990-firmware-path-v2-4-f89e98e71a57@linaro.org


Signed-off-by: Bjorn Andersson <andersson@kernel.org>