apq8084: enable usb30 support

Implements platform and target specific logic needed to enable
using dwc controller for usb30.

Change-Id: I33f049702f71acd68dfb1543e11dfd8bfcd300fd
diff --git a/platform/apq8084/include/platform/irqs.h b/platform/apq8084/include/platform/irqs.h
index 33e1a12..5a614d3 100644
--- a/platform/apq8084/include/platform/irqs.h
+++ b/platform/apq8084/include/platform/irqs.h
@@ -47,6 +47,7 @@
 
 #define UFS_IRQ                                (GIC_SPI_START + 28)
 
+#define USB30_EE1_IRQ                          (GIC_SPI_START + 131)
 #define USB1_HS_BAM_IRQ                        (GIC_SPI_START + 135)
 #define USB1_HS_IRQ                            (GIC_SPI_START + 134)
 #define USB2_IRQ                               (GIC_SPI_START + 141)