ASoC: rockchip: i2s: Use devm_platform_get_and_ioremap_resource()

[ Upstream commit 4ffbcd4a ]

Use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20210615141502.1683686-1-yangyingliang@huawei.com


Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>