clk: sunxi: Remove unused struct 'gates_data'

'gates_data' (and it's associated define) are unused since
commit ee38b2698ae2 ("clk: sunxi: Add a simple gates driver").
Remove them.

Signed-off-by: Dr. David Alan Gilbert <[e-mail]>
Acked-by: Stephen Boyd <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Chen-Yu Tsai <[e-mail]>

drivers/clk/sunxi/clk-sunxi.c

···
 	       sun8i_axi_clk_setup);
 
 
-
-/*
- * sunxi_gates_clk_setup() - Setup function for leaf gates on clocks
- */
-
-#define SUNXI_GATES_MAX_SIZE	64
-
-struct gates_data {
-	DECLARE_BITMAP(mask, SUNXI_GATES_MAX_SIZE);
-};
-
 /*
  * sunxi_divs_clk_setup() helper data
  */