raspberrypi inclusion
category: feature
bugzilla: 50432

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The vc4-firmware-kms module is going to be doing the MBOX FB call.
Signed-off-by: NEric Anholt <eric@anholt.net>
Signed-off-by: NFang Yafen <yafen@iscas.ac.cn>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>