dt-bindings: vendor-prefix: Add wetek vendor prefix

Add prefix for WeTek Electronics, limited, a company producing multimedia
Set-Top-Boxes and supporting KODI and LibreELEC distributions.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

Documentation/devicetree/bindings/vendor-prefixes.txt

@@ -320,6 +320,7 @@ virtio	Virtual I/O Device Specification, developed by the OASIS consortium
 vivante	Vivante Corporation
 voipac	Voipac Technologies s.r.o.
 wd	Western Digital Corp.
+wetek	WeTek Electronics, limited.
 wexler	Wexler
 winbond Winbond Electronics corp.
 wlf	Wolfson Microelectronics