clk: sunxi: Make reset_control_ops const

The sunxi_ve_reset_ops, sun9i_mmc_reset_ops, and sunxi_usb_reset_ops
structures are never modified. Make them const.

Signed-off-by: Philipp Zabel <[e-mail]>
Signed-off-by: Stephen Boyd <[e-mail]>

drivers/clk/sunxi/clk-a10-ve.c

···
 	return 0;
 }
 
-static struct reset_control_ops sunxi_ve_reset_ops = {
+static const struct reset_control_ops sunxi_ve_reset_ops = {
 	.assert		= sunxi_ve_reset_assert,
 	.deassert	= sunxi_ve_reset_deassert,
 };

drivers/clk/sunxi/clk-sun9i-mmc.c

···
 	return 0;
 }
 
-static struct reset_control_ops sun9i_mmc_reset_ops = {
+static const struct reset_control_ops sun9i_mmc_reset_ops = {
 	.assert		= sun9i_mmc_reset_assert,
 	.deassert	= sun9i_mmc_reset_deassert,
 };

drivers/clk/sunxi/clk-usb.c

···
 	return 0;
 }
 
-static struct reset_control_ops sunxi_usb_reset_ops = {
+static const struct reset_control_ops sunxi_usb_reset_ops = {
 	.assert		= sunxi_usb_reset_assert,
 	.deassert	= sunxi_usb_reset_deassert,
 };