clk: agilex: Add clock enable support

Some drivers probing failed if clock enable function is not supported in
clock driver. So, add clock enable function to clock driver to solve it.

Return 0 (success) for *.enable function because all clocks are enabled
by default in clock driver probe.

Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
Signed-off-by: Chee Hong Ang <chee.hong.ang@intel.com>
1 file changed