arm64: dts: qcom: sm8250: Add device tree for Xiaomi Mi Pad 5 Pro

Add support for Xiaomi Mi Pad 5 Pro, codename is xiaomi-elish.

This commit brings support for:
  * ADSP/CDSP/SLPI/VENUS
  * Backlight
  * Battery fuel gauge
  * Framebuffer
  * PCIe0
  * USB2.0
Signed-off-by: Jianhua Lu <lujianhua000@gmail.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230131123515.833-2-lujianhua000@gmail.com

arch/arm64/boot/dts/qcom/Makefile

@@ -188,6 +188,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= sm8250-hdk.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sm8250-mtp.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sm8250-sony-xperia-edo-pdx203.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sm8250-sony-xperia-edo-pdx206.dtb
+dtb-$(CONFIG_ARCH_QCOM)	+= sm8250-xiaomi-elish.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sm8350-hdk.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sm8350-microsoft-surface-duo2.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sm8350-mtp.dtb