clk: renesas: Use str_on_off() helper

Use the str_on_off() helper instead of open-coding the same operation.
Note that this does change the case of the flags, which doesn't matter
much for debug messages.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/622f8554dcb815c8fc73511a1a118c1724570fa9.1745840497.git.geert+renesas@glider.be

Author: geertu

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

@@ -27,6 +27,7 @@
 #include <linux/psci.h>
 #include <linux/reset-controller.h>
 #include <linux/slab.h>
+#include <linux/string_choices.h>
 
 #include <dt-bindings/clock/renesas-cpg-mssr.h>
 
@@ -204,7 +205,7 @@ static int cpg_mstp_clock_endisable(struct clk_hw *hw, bool enable)
 	int error;
 
 	dev_dbg(dev, "MSTP %u%02u/%pC %s\n", reg, bit, hw->clk,
-		enable ? "ON" : "OFF");
+		str_on_off(enable));
 	spin_lock_irqsave(&priv->rmw_lock, flags);
 
 	if (priv->reg_layout == CLK_REG_LAYOUT_RZ_A) {

drivers/clk/renesas/rzg2l-cpg.c

@@ -27,6 +27,7 @@
 #include <linux/pm_domain.h>
 #include <linux/reset-controller.h>
 #include <linux/slab.h>
+#include <linux/string_choices.h>
 #include <linux/units.h>
 
 #include <dt-bindings/clock/renesas-cpg-mssr.h>
@@ -1217,7 +1218,7 @@ static int rzg2l_mod_clock_endisable(struct clk_hw *hw, bool enable)
 	}
 
 	dev_dbg(dev, "CLK_ON 0x%x/%pC %s\n", CLK_ON_R(reg), hw->clk,
-		enable ? "ON" : "OFF");
+		str_on_off(enable));
 
 	value = bitmask << 16;
 	if (enable)