arm64: dts: qcom: sc7280: Add support for zoglin

Zoglin is a Hoglin Chromebook with SPI Flash reduced from 64MB to 8MB.
Zoglin is identical to Hoglin except for the SPI Flash.
The actual SPI Flash is dynamically probed at and not specified in DTS.

Signed-off-by: Bob Moragues <moragues@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220728143215.v3.2.I7d57fb9c4806a8b3fe3501c766b64f4987c271ef@changeid

arch/arm64/boot/dts/qcom/sc7280-herobrine-crd.dts

@@ -12,7 +12,7 @@
 
 / {
 	model = "Qualcomm Technologies, Inc. sc7280 CRD platform (rev5+)";
-	compatible = "google,hoglin", "qcom,sc7280";
+	compatible = "google,zoglin", "google,hoglin", "qcom,sc7280";
 
 	/* FIXED REGULATORS */