Add support for Huion H950P (#308)

Link: linuxwacom/wacom-hid-descriptors#124

Co-authored-by: James <james@localhost.localdomain>
Co-authored-by: Peter Hutterer <peter.hutterer@who-t.net>

Author: 3 people

data/huion-h950p.tablet

@@ -0,0 +1,25 @@
+# HUION
+# H950P
+# Autogenerated from sysinfo.5rJ4iuOykV
+# https://github.com/linuxwacom/wacom-hid-descriptors/issues/124
+
+[Device]
+Name=Huion H950P
+ModelName=
+DeviceMatch=usb:256c:006d
+Class=Bamboo
+Width=9
+Height=5
+IntegratedIn=
+Layout=huion-h950p.svg
+Styli=0xffffd;
+
+[Features]
+Stylus=true
+Reversible=true
+Touch=false
+Buttons=8
+
+[Buttons]
+Left=A;B;C;D;E;F;G;H
+EvdevCodes=0x100;0x101;0x102;0x103;0x104;0x105;0x106;0x107