pinctrl: sunxi: Use devm_clk_get_enabled() helpers

sunxi sunxi_pinctrl_init_with_variant get, enable clk and
deinit_device disable and unprepare it.

This simplifes the code and avoids the calls to
clk_disable_unprepare().

Signed-off-by: Wang Jianzheng <wangjianzheng@vivo.com>
Link: https://lore.kernel.org/20240829064737.16169-1-wangjianzheng@vivo.com


Signed-off-by: Linus Walleij <linus.walleij@linaro.org>