dt-bindings: vendor-prefixes: add jasonic

Add vendor prefix for Jasonic Technology Ltd., a manufacturer
of custom LCD panels.

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Michael Riesch <michael.riesch@wolfvision.net>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230718-feature-lcd-panel-v2-1-2485ca07b49d@wolfvision.net