mmc: tmio: replace tmio_mmc_clk_stop() calls with tmio_mmc_set_clock()

[ Upstream commit 74005a01f1ff66f98bf24163297932144d4da1ae ]

tmio_mmc_clk_stop(host) is equivalent to tmio_mmc_set_clock(host, 0).
This replacement is needed for the next commit.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Stable-dep-of: 71150ac12558 ("mmc: bcm2835: fix deferred probing")
Signed-off-by: Sasha Levin <sashal@kernel.org>