HiKey960/HiKey: Enable kernel module loading

In preparation for GKI support, add some initial support for
kernel module loading during bootup.

Thanks to YongQin and Sam for pointers on an improved way of
doing this.

NOTE: This does not yet deal with initramfs modules

Change-Id: Ie802f2b62267fbd93e550ef30c4e479f44ba94b6
Signed-off-by: John Stultz <john.stultz@linaro.org>
diff --git a/ueventd.common.rc b/ueventd.common.rc
index ff82f70..b7dd505 100644
--- a/ueventd.common.rc
+++ b/ueventd.common.rc
@@ -1,3 +1,5 @@
+modalias_handling enabled
+
 subsystem usbmisc
     devname uevent_devname