clk: zynqmp: Fix kernel-doc format

Align structure and function names with definitions.

Issues are reported by kernel-doc script as:
drivers/clk/zynqmp/clk-gate-zynqmp.c:24: warning: expecting prototype for
struct clk_gate. Prototype was for struct zynqmp_clk_gate instead
drivers/clk/zynqmp/clk-gate-zynqmp.c:75: warning: expecting prototype for
zynqmp_clk_gate_is_enable(). Prototype was for zynqmp_clk_gate_is_enabled()
instead

Signed-off-by: Michal Simek <[e-mail]>
Link: https://lore.kernel.org/r/2652[e-mail]
Signed-off-by: Stephen Boyd <[e-mail]>

drivers/clk/zynqmp/clk-gate-zynqmp.c

···
 #include "clk-zynqmp.h"
 
 /**
- * struct clk_gate - gating clock
+ * struct zynqmp_clk_gate - gating clock
  * @hw:		handle between common and hardware-specific interfaces
  * @flags:	hardware-specific flags
  * @clk_id:	Id of clock
···
 }
 
 /**
- * zynqmp_clk_gate_is_enable() - Check clock state
+ * zynqmp_clk_gate_is_enabled() - Check clock state
  * @hw:		handle between common and hardware-specific interfaces
  *
  * Return: 1 if enabled, 0 if disabled else error code