ARM: dts: qcom: msm8974: add blsp2_uart10

Add blsp2_uart10 node in order to support bluetooth on the Nexus 5
phone.

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
[masneyb@onstation.org: use constants in interrupts property; patch
 extracted from much larger out of tree patch.]
Signed-off-by: Brian Masney <masneyb@onstation.org>
Link: https://lore.kernel.org/r/20200129232031.34538-3-masneyb@onstation.org


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