clk: zynq: trivial warning fix

Fix the below warning

WARNING: Missing a blank line after declarations
+               int enable = !!(fclk_enable & BIT(i - fclk0));
+               zynq_clk_register_fclk(i, clk_output_name[i],

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Link: https://lore.kernel.org/r/20220222130903.17235-2-shubhrajyoti.datta@xilinx.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>