arm64: dts: qcom: sm8550: add UART14 nodes

arm64: dts: qcom: sm8550: add UART14 nodes

[ Upstream commit 75cac7090298978c12c59dbca377d957f6f8a8bb ]

Add the Geni High Speed UART QUP instance 2 element 6
node and associated default pinctrl.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230911-topic-sm8550-upstream-bt-v4-1-a5a428c77418@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Stable-dep-of: 5ff1fbb30597 ("platform/x86: think-lmi: Fix class device unregistration")
Signed-off-by: Sasha Levin <sashal@kernel.org>