dt-bindings: mailbox: add definition for mt8186

Add definition of compatible and dt-binding header for mt8186.

Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
This commit is contained in:
Rex-BC Chen 2022-02-23 11:01:37 +08:00 • committed by Jassi Brar
commit 1b0d0f7c12