arm64: dts: qcom: msm8998: add blsp spi nodes

Add pinctrl and qup nodes in msm8998 device tree to support spi.
Values were ported from downstream msm-4.4 kernel.

Signed-off-by: Arnaud Vrac <avrac@freebox.fr>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230417-msm8998-spi-v2-1-b314c6d9ea31@freebox.fr