arm/dt: 8974: Update MPM interrupt mapping for USB

Correct the MPM mapping to match the USB interrupt on the Krait.

Change-Id: Ie3348637dffc1fe8c5fc4eb8e9096f7835be0454
Signed-off-by: Mahesh Sivasubramanian <msivasub@codeaurora.org>
diff --git a/arch/arm/boot/dts/msm8974_pm.dtsi b/arch/arm/boot/dts/msm8974_pm.dtsi
index 050e7ef..8e3f4b8 100644
--- a/arch/arm/boot/dts/msm8974_pm.dtsi
+++ b/arch/arm/boot/dts/msm8974_pm.dtsi
@@ -309,7 +309,7 @@
 		qcom,ipc-bit-offset = <1>;
 
 		qcom,gic-parent = <&intc>;
-		qcom,gic-map = <47 180>, /* usb2_hsic_async_wakeup_irq */
+		qcom,gic-map = <47 172>, /* usb2_hsic_async_wakeup_irq */
 			<53 104>, /* mdss_irq */
 			<62 222>, /* ee0_krait_hlos_spmi_periph_irq */
 			<0xff 57>,  /* mss_to_apps_irq(0) */