clk: renesas: r7s9210: Always use readl()

On arm32, there is no reason to use the (soon deprecated) clk_readl().
Hence use the generic readl() instead.

Signed-off-by: Geert Uytterhoeven <[e-mail]>
Reviewed-by: Simon Horman <[e-mail]>

drivers/clk/renesas/r7s9210-cpg-mssr.c

···
 
 #include <linux/clk.h>
 #include <linux/clk-provider.h>
+#include <linux/io.h>
 #include <dt-bindings/clock/r7s9210-cpg-mssr.h>
 #include "renesas-cpg-mssr.h"
 
···
 	if (clk_get_rate(extal_clk) > 12000000)
 		cpg_mode = 1;
 
-	frqcr = clk_readl(base + CPG_FRQCR) & 0xFFF;
+	frqcr = readl(base + CPG_FRQCR) & 0xFFF;
 	if (frqcr == 0x012)
 		index = 0;
 	else if (frqcr == 0x112)