ARM: dts: qcom: msm8974-klte: add support for GPU

Enable adreno dt node.

Signed-off-by: Samuel Pascua <pascua.samuel.14@gmail.com>
[iskren.chernev@gmail.com: changes after v1]
Signed-off-by: Iskren Chernev <iskren.chernev@gmail.com>
Link: https://lore.kernel.org/r/20210201105657.1642825-2-iskren.chernev@gmail.com


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