dt-bindings: add vendor prefix for Tesla

Add vendor prefix for the Tesla (https://www.tesla.com)

Cc: [e-mail]
Reviewed-by: Linus Walleij <[e-mail]>
Reviewed-by: Krzysztof Kozlowski <[e-mail]>
Signed-off-by: Alim Akhtar <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Krzysztof Kozlowski <[e-mail]>

Documentation/devicetree/bindings/vendor-prefixes.yaml

···
     description: Shenzhen Techstar Electronics Co., Ltd.
   "^terasic,.*":
     description: Terasic Inc.
+  "^tesla,.*":
+    description: Tesla, Inc.
   "^tfc,.*":
     description: Three Five Corp
   "^thead,.*":