dts: bindings: vendor-prefixes: Add Bouffalo Lab prefix

Add necessary bflb prefix to be used on devicetree bindings and identify
the board vendor.

Signed-off-by: Gerson Fernando Budke <[email protected]>

Author: nandojve

dts/bindings/vendor-prefixes.txt

@@ -101,6 +101,7 @@ bbc	BBC
 bcdevices	Blue Clover Devices
 beacon	Compass Electronics Group, LLC
 beagle	BeagleBoard.org Foundation
+bflb	Bouffalo Lab (Nanjing) Co., Ltd.
 bhf	Beckhoff Automation GmbH & Co. KG
 bitmain	Bitmain Technologies
 blues	Blues Wireless