msm8974: enable usb3.0 for pro chipsets

selects dwc controller to be used for pro chipsets.

Change-Id: Ide8bb981dad2de865b0fb6763f2a53a4a2b3939e
diff --git a/project/msm8974.mk b/project/msm8974.mk
index 80b310c..b12ea6b 100644
--- a/project/msm8974.mk
+++ b/project/msm8974.mk
@@ -9,6 +9,7 @@
 DEBUG := 1
 EMMC_BOOT := 1
 ENABLE_SDHCI_SUPPORT := 1
+ENABLE_USB30_SUPPORT := 1
 
 #DEFINES += WITH_DEBUG_DCC=1
 DEFINES += WITH_DEBUG_UART=1
@@ -33,3 +34,7 @@
 ifeq ($(ENABLE_SDHCI_SUPPORT),1)
 DEFINES += MMC_SDHCI_SUPPORT=1
 endif
+
+ifeq ($(ENABLE_USB30_SUPPORT),1)
+DEFINES += USB30_SUPPORT=1
+endif