mailbox: arm_mhuv2: Use generic firmware property APIs

The protocol parsing code only requires reading firmware
properties and does not depend on OF-specific interfaces.

Replace OF property helpers with the generic device property API.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
This commit is contained in:
Kunihiko Hayashi 2026-07-29 13:53:06 +09:00 • committed by Jassi Brar
commit 9e9afcb436