clk: clk-mux: Use struct udevice instead of struct device

Use U-Boot specific struct udevice instead of Linux compatibility
struct device in clk-mux registration.

Signed-off-by: Marek Vasut <marex@denx.de>
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 59f9c24..f27878a 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -242,7 +242,7 @@
 		void __iomem *reg, u8 shift, u8 width,
 		u8 clk_divider_flags);
 
-struct clk *clk_register_mux(struct device *dev, const char *name,
+struct clk *clk_register_mux(struct udevice *dev, const char *name,
 		const char * const *parent_names, u8 num_parents,
 		unsigned long flags,
 		void __iomem *reg, u8 shift, u8 width,