arm64: dts: qcom: qdu1000-idp: Add reserved gpio list

Add reserve gpios for QDU1000 IDP platform. These gpios are
needed for modem subsystem.
Signed-off-by: Komal Bajaj <quic_kbajaj@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230705091730.32087-2-quic_kbajaj@quicinc.comSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/qdu1000-idp.dts

@@ -471,6 +471,10 @@ &sdhc {
 	status = "okay";
 };
 
+&tlmm {
+	gpio-reserved-ranges = <28 2>;
+};
+
 &uart7 {
 	status = "okay";
 };