ARM: dts: msm: enable xbl boot loading for IPA FW on sdxprairie

Auto targets support XBL loading for IPA FW on sdxprairie. Make
changes to enable the corresponding dt entry.

Change-Id: Idfc264ae557e98f812368ca747d674a608159b46
Signed-off-by: Chaitanya Pratapa <cpratapa@codeaurora.org>

arch/arm64/boot/dts/qcom/sdxprairie.dtsi

@@ -545,6 +545,7 @@
 		qcom,mhi-event-ring-id-limits = <9 14>; /* start and end */
 		qcom,modem-cfg-emb-pipe-flt;
 		qcom,use-ipa-pm;
+		qcom,use-xbl-boot;
 		qcom,arm-smmu;
 		qcom,smmu-fast-map;
 		qcom,wlan-ce-db-over-pcie;