CNB: clk: Provide new devm_clk helpers for prepared and enabled clocks
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2189285
This adds new devm_clk_get_* helpers:
- devm_clk_get_prepared
- devm_clk_get_enabled
- devm_clk_get_optional_prepared
- devm_clk_get_optional_enabled
devm_clk_get_optional_enabled will be used by the r8169 driver.
Signed-off-by: Michal Schmidt mschmidt@redhat.com