clk: Remove mmask and nmask fields in struct clk_fractional_divider

All users of these fields have been removed.
They are now computed when needed with [mn]shift and [mn]width.

This shrinks the size of struct clk_fractional_divider from 72 to 56 bytes.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/680357e5acb338433bfc94114b65b4a4ce2c99e2.1680423909.git.christophe.jaillet@wanadoo.fr
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

Author: tititiou36

include/linux/clk-provider.h

@@ -1135,10 +1135,8 @@ struct clk_fractional_divider {
 	void __iomem	*reg;
 	u8		mshift;
 	u8		mwidth;
-	u32		mmask;
 	u8		nshift;
 	u8		nwidth;
-	u32		nmask;
 	u8		flags;
 	void		(*approximation)(struct clk_hw *hw,
 				unsigned long rate, unsigned long *parent_rate,