clk: renesas: rzg2l: Use u32 for flag and mux_flags

clk: renesas: rzg2l: Use u32 for flag and mux_flags

[ Upstream commit 897a3e34d6e73d2386715d5c44c57992f2c0eada ]

flag and mux_flags are intended to keep bit masks.  Use u32 type for it.

Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230912045157.177966-15-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Stable-dep-of: 7f22a298d926 ("clk: renesas: r9a07g043: Fix HP clock source for RZ/Five")
Signed-off-by: Sasha Levin <sashal@kernel.org>