[Feature][YUKUAI_patch]add 18.02 code

Only Configure: No
Affected branch: master
Affected module: unknow
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: Yes
Doc Update: No

Change-Id: I7f71153004f10fc0ea5adfa083866aaeeb1053ac
diff --git a/rootfs/etc/mdev/find-touchscreen.sh b/rootfs/etc/mdev/find-touchscreen.sh
new file mode 100755
index 0000000..52c5e7a
--- /dev/null
+++ b/rootfs/etc/mdev/find-touchscreen.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+if grep -q "input:.*-e0.*,3,.*a0,1,\|ads7846" /sys/class/$MDEV/device/modalias ; then
+	ln -sf /dev/$MDEV /dev/input/touchscreen0
+fi
+