ARM: dts: qcom: msm8974-klte: Add bluetooth support

Broadcom BCM4354 is used on Samsung Galaxy S5 phone
on BLSP2 UART8 bus.

Signed-off-by: Alexey Minnekhanov <alexeymin@postmarketos.org>
Link: https://lore.kernel.org/r/20210406140551.3328241-2-alexeymin@postmarketos.org


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