clk: gate: fix coding style

The : of the ?: operator should have a leading space.

Signed-off-by: Uwe Kleine-König <[e-mail]>
[[e-mail]: Also remove useless parenthesis]
Signed-off-by: Stephen Boyd <[e-mail]>

drivers/clk/clk-gate.c

···
 	init.name = name;
 	init.ops = &clk_gate_ops;
 	init.flags = flags | CLK_IS_BASIC;
-	init.parent_names = (parent_name ? &parent_name: NULL);
-	init.num_parents = (parent_name ? 1 : 0);
+	init.parent_names = parent_name ? &parent_name : NULL;
+	init.num_parents = parent_name ? 1 : 0;
 
 	/* struct clk_gate assignments */
 	gate->reg = reg;