clk: zynqmp: fix kerneldoc of __zynqmp_clock_get_parents

The kerneldoc refers to __zynqmp_clock_get_topology(), but actually
documents __zynqmp_clock_get_parents(). Refer to the correct function
name in the kerneldoc.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/zynqmp/clkc.c

@@ -415,7 +415,7 @@ static int zynqmp_clock_get_topology(u32 clk_id,
 }
 
 /**
- * __zynqmp_clock_get_topology() - Get parents info of clock from firmware
+ * __zynqmp_clock_get_parents() - Get parents info of clock from firmware
  *				   response data
  * @parents:		Clock parents
  * @data:		Clock parents data received from firmware