ARM: dts: msm: add sequential firmware load to spyro

Add sequential-fw-load in pil_mss to fix the modem firmware
load problem.

Change-Id: I2d1c1b0fbdbb9a8ade51143de16c145483e306d0
Signed-off-by: Zhaoyuan Cheng <zhaochen@codeaurora.org>
diff --git a/arch/arm64/boot/dts/qcom/sdm429-spyro.dtsi b/arch/arm64/boot/dts/qcom/sdm429-spyro.dtsi
index 80f89d9..a951c7d 100644
--- a/arch/arm64/boot/dts/qcom/sdm429-spyro.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm429-spyro.dtsi
@@ -13,3 +13,7 @@
 
 #include "sdm429.dtsi"
 #include "sdm429w-pm660.dtsi"
+
+&pil_mss {
+	qcom,sequential-fw-load;
+};