clk: palmas: constify clk_ops structure

The clk_ops structure is only stored in the ops field of clk_init_data
structures.  This field is const, so the clk_ops structure can be
const as well.

Identified and transformed using Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/clk-palmas.c

@@ -115,7 +115,7 @@ static int palmas_clks_is_prepared(struct clk_hw *hw)
 	return !!(val & cinfo->clk_desc->enable_mask);
 }
 
-static struct clk_ops palmas_clks_ops = {
+static const struct clk_ops palmas_clks_ops = {
 	.prepare	= palmas_clks_prepare,
 	.unprepare	= palmas_clks_unprepare,
 	.is_prepared	= palmas_clks_is_prepared,