arm64: dts: qcom: msm8998-lenovo-miix-630: add WiFi calibration variant

arm64: dts: qcom: msm8998-lenovo-miix-630: add WiFi calibration variant

As most other board Miix uses board-id = 0xff, so define calibration
variant to distinguish it from other devices with the same chip_id.

qmi chip_id 0x30214 chip_family 0x4001 board_id 0xff soc_id 0x40010002

Cc: Kalle Valo <kvalo@kernel.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://lore.kernel.org/r/20240723-miix630-support-v2-5-7d98f6047a17@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>