dino: use QOM cast instead of directly referencing parent_obj

Use a QOM cast in both dino_chip_read_with_attrs() and dino_chip_write_with_attrs()
instead of directly referencing parent_obj.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Helge Deller <deller@gmx.de>
Message-Id: <20220504092600.10048-10-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
1 file changed