clk: renesas: r8a779f0: cpg_pll_configs should be __initconst

cpg_pll_configs[] is only used during initialization.  Hence make it
__initconst, so it will be freed later.

Fixes: 24aaff6 ("clk: renesas: cpg-mssr: Add support for R-Car S4-8")
Signed-off-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Niklas Söderlund <[email protected]>
Link: https://lore.kernel.org/2261fc8291099445e1b319812dfd4f79c90296d2.1720794214.git.geert+renesas@glider.be

Author: geertu

drivers/clk/renesas/r8a779f0-cpg-mssr.c

@@ -187,7 +187,7 @@ static const unsigned int r8a779f0_crit_mod_clks[] __initconst = {
 #define CPG_PLL_CONFIG_INDEX(md)	((((md) & BIT(14)) >> 13) | \
 					 (((md) & BIT(13)) >> 13))
 
-static const struct rcar_gen4_cpg_pll_config cpg_pll_configs[4] = {
+static const struct rcar_gen4_cpg_pll_config cpg_pll_configs[4] __initconst = {
 	/* EXTAL div	PLL1 mult/div	PLL2 mult/div	PLL3 mult/div	PLL4 mult/div	PLL5 mult/div	PLL6 mult/div	OSC prediv */
 	{ 1,		200,	1,	150,	1,	200,	1,	0,	0,	200,	1,	134,	1,	15,	},
 	{ 1,		160,	1,	120,	1,	160,	1,	0,	0,	160,	1,	106,	1,	19,	},