Huawei: Changing USB configuration to avoid HiSuite wasn't enough

Change-Id: I50cf3d64198de0e9874665ccff9a640efa851dc2
diff --git a/base.mk b/base.mk
index 5a0ea7b..428a1bf 100644
--- a/base.mk
+++ b/base.mk
@@ -28,8 +28,8 @@
 	
 #Huawei HiSuite (also other OEM custom programs I guess) it's of no use in AOSP builds
 PRODUCT_SYSTEM_DEFAULT_PROPERTIES += \
-	persist.sys.usb.config=adb
-	
+	persist.sys.usb.config=adb \
+	ro.cust.cdrom=/dev/null	
 
 #VNDK config files
 PRODUCT_COPY_FILES += \