ARM: dts: msm: Define max no.of XHCI interrupters for ravelin

DWC3 host and XHCI plat now communicates the maximum number
of interrupters the XHCI HCD will allocate. Since platforms
only require a limited number of interrupters (i.e. 3) make
sure XHCI doesn't allocate more than is required.

Change-Id: I9e8592c8f62562f44c760571ac1505ab80b05fc6
Signed-off-by: Jigyanshu Mani <quic_jmani@quicinc.com>

qcom/ravelin-usb.dtsi

@@ -77,6 +77,7 @@
 			snps,dis_u2_susphy_quirk;
 			snps,dis_u3_susphy_quirk;
 			tx-fifo-resize;
+			num-hc-interrupters = /bits/ 16 <3>;
 			dr_mode = "otg";
 			maximum-speed = "super-speed";
 			usb-role-switch;