xserver-nodm-init: Change hidraw mode to allow normal user access

USB HID like touch screen could be presented as hidraw* device, this change
make user under rootless X can access them.

(From OE-Core rev: ddb54d4a467b51f5f8f305f532bd5ea64df92876)

Signed-off-by: Zhai Edwin <edwin.zhai@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-graphics/x11-common/xserver-nodm-init/xserver-nodm

@@ -34,6 +34,10 @@ case "$1" in
            chmod o+w /var/log
            chmod g+r /dev/tty[0-3]
            chmod o+rw /dev/input/*
+           # hidraw device is probably needed
+           if [ -e /dev/hidraw0 ]; then
+               chmod o+rw /dev/hidraw*
+           fi
        fi
        # Using su rather than sudo as latest 1.8.1 cause failure [YOCTO #1211]
        su -l -c '/etc/X11/Xserver&' $username