ARM: dts: qcom: msm8660: Add GSBI1 SPI bus

GSBI1 can be used to enable an external SPI bus on e.g. the
APQ8060. On the DragonBoard APQ8060 this SPI bus is used to
talk to the LCD display.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
[bjorn: Moved status properties last]
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220913132846.305716-1-linus.walleij@linaro.org