clk: ti: enforce const types on string arrays

Constant string arrays should use const char * const instead of just
const char *. Change the implementations using these to proper type.

Signed-off-by: Tero Kristo <[e-mail]>
Acked-by: Tony Lindgren <[e-mail]>

drivers/clk/ti/clock.h

···
 	int num_parents;
 	u16 reg;
 	u8 module;
-	const char **parents;
+	const char * const *parents;
 	u16 flags;
 };
 

drivers/clk/ti/composite.c

···
 	struct clk_hw *mux;
 	struct clk_hw *div;
 	int num_parents = 1;
-	const char **parent_names = NULL;
+	const char * const *parent_names = NULL;
 	struct clk *clk;
 	int ret;
 

drivers/clk/ti/mux.c

···
 };
 
 static struct clk *_register_mux(struct device *dev, const char *name,
-				 const char **parent_names, u8 num_parents,
-				 unsigned long flags, void __iomem *reg,
-				 u8 shift, u32 mask, u8 clk_mux_flags,
-				 u32 *table)
+				 const char * const *parent_names,
+				 u8 num_parents, unsigned long flags,
+				 void __iomem *reg, u8 shift, u32 mask,
+				 u8 clk_mux_flags, u32 *table)
 {
 	struct clk_mux *mux;
 	struct clk *clk;