i3c: renesas: Simplify return statement in 'renesas_i3c_daa'

i3c: renesas: Simplify return statement in 'renesas_i3c_daa'

There was already a bail out for 'ret < 0', so we can always return
success at the end of the function.

Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/aIyzJ7HOENL1qp1l@stanley.mountain
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
Link: https://lore.kernel.org/r/20250803211256.18513-2-wsa+renesas@sang-engineering.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>