arm64: dts: msm8916-longcheer-l8150: Enable WCNSS for WiFi and BT

WCNSS is used on L8150 for WiFi and BT.
Its firmware isn't relocatable and must be loaded at specific address.

Reviewed-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Nikita Travkin <nikitos.tr@gmail.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>