arm64: dts: qcom: sdm845-mtp: add chassis-type property

Qualcomm's Mobile Test Platforms devices are handsets, set the
chassis-type property to 'handset'.
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230622-topic-sm8x50-upstream-chassis-type-v1-5-13f676eb71f3@linaro.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/sdm845-mtp.dts

@@ -15,6 +15,7 @@
 / {
 	model = "Qualcomm Technologies, Inc. SDM845 MTP";
 	compatible = "qcom,sdm845-mtp", "qcom,sdm845";
+	chassis-type = "handset";
 
 	aliases {
 		serial0 = &uart9;