dt-bindings: add vendor prefix for OzzMaker and Waveshare Electronics

Add vendor prefix for OzzMaker [1] and Waveshare Electronics [2]
Both are display manufacturers

[1] https://ozzmaker.com/about/
[2] https://www.waveshare.com/contact_us

Signed-off-by: Kamlesh Gurudasani <[e-mail]>
Acked-by: Sam Ravnborg <[e-mail]>
Signed-off-by: Rob Herring <[e-mail]>

Documentation/devicetree/bindings/vendor-prefixes.yaml

···
     description: OmniVision Technologies
   "^oxsemi,.*":
     description: Oxford Semiconductor, Ltd.
+  "^ozzmaker,.*":
+    description: OzzMaker
   "^panasonic,.*":
     description: Panasonic Corporation
   "^parade,.*":
···
     description: Vision Optical Technology Co., Ltd.
   "^vxt,.*":
     description: VXT Ltd
+  "^waveshare,.*":
+    description: Waveshare Electronics
   "^wd,.*":
     description: Western Digital Corp.
   "^wetek,.*":