m68k: sun3: Use str_read_write() helper in mmu_emu_handle_fault()

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

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/20250117120605.126941-2-thorsten.blum@linux.dev
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>

Author: toblux

arch/m68k/sun3/mmu_emu.c

@@ -17,6 +17,7 @@
 #include <linux/bitops.h>
 #include <linux/module.h>
 #include <linux/sched/mm.h>
+#include <linux/string_choices.h>
 
 #include <asm/setup.h>
 #include <asm/traps.h>
@@ -371,7 +372,7 @@ int mmu_emu_handle_fault (unsigned long vaddr, int read_flag, int kernel_fault)
 
 #ifdef DEBUG_MMU_EMU
 	pr_info("%s: vaddr=%lx type=%s crp=%p\n", __func__, vaddr,
-		read_flag ? "read" : "write", crp);
+		str_read_write(read_flag), crp);
 #endif
 
 	segment = (vaddr >> SUN3_PMEG_SIZE_BITS) & 0x7FF;