mfd: arizona-i2c: Simplify obtaining I2C match data

Simplify probe() by replacing device_get_match_data() and ID lookup for
retrieving match data by i2c_get_match_data(). After this drop
intializing the variable type.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Tested-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230923174928.56824-2-biju.das.jz@bp.renesas.com


Signed-off-by: Lee Jones <lee@kernel.org>