sparc/irq: Use str_enabled_disabled() helper function

Remove hard-coded strings by using the str_enabled_disabled() helper
function.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Andreas Larsson <andreas@gaisler.com>
Link: https://lore.kernel.org/r/20250115090344.918290-2-thorsten.blum@linux.dev
Signed-off-by: Andreas Larsson <andreas@gaisler.com>

Author: toblux

arch/sparc/kernel/irq_64.c

@@ -22,6 +22,7 @@
 #include <linux/seq_file.h>
 #include <linux/ftrace.h>
 #include <linux/irq.h>
+#include <linux/string_choices.h>
 
 #include <asm/ptrace.h>
 #include <asm/processor.h>
@@ -170,7 +171,7 @@ static void __init irq_init_hv(void)
 
 	pr_info("SUN4V: Using IRQ API major %d, cookie only virqs %s\n",
 		hv_irq_version,
-		sun4v_cookie_only_virqs() ? "enabled" : "disabled");
+		str_enabled_disabled(sun4v_cookie_only_virqs()));
 }
 
 /* This function is for the timer interrupt.*/