fbdev is broken against lvgl master/v9

[ric96]

fbdev driver seems to still be using lv_disp_drv_t which has been retired in v9

https://github.com/lvgl/lvgl/blob/2fa984720137988bc379ee815474d9179ba0224c/docs/CHANGELOG.rst#L74

[kisvegabor]

In v9 fbdev is merged to the lvgl repo.

[ric96]

ah, then lv_port_linux_frame_buffer needs to be updated

[kisvegabor]

True, we will update it before releasing v9 on January 15.

[stale]

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