arm64: dts: qcom: msm8994-huawei-angler: Add vendor name huawei

to follow the naming convention used by other DTS files.

Signed-off-by: Petr Vorel <petr.vorel@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220113233358.17972-5-petr.vorel@gmail.com