bus: mhi: host: Use str_true_false() helper

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

Signed-off-by: Yumeng Fang <fang.yumeng@zte.com.cn>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://patch.msgid.link/20250623202814633ukJqUDLU7BRlLLhvWkbD7@zte.com.cn

Author: Yumeng Fang

drivers/bus/mhi/host/debugfs.c

@@ -10,6 +10,7 @@
 #include <linux/list.h>
 #include <linux/mhi.h>
 #include <linux/module.h>
+#include <linux/string_choices.h>
 #include "internal.h"
 
 static int mhi_debugfs_states_show(struct seq_file *m, void *d)
@@ -22,7 +23,7 @@ static int mhi_debugfs_states_show(struct seq_file *m, void *d)
 		   mhi_is_active(mhi_cntrl) ? "Active" : "Inactive",
 		   mhi_state_str(mhi_cntrl->dev_state),
 		   TO_MHI_EXEC_STR(mhi_cntrl->ee),
-		   mhi_cntrl->wake_set ? "true" : "false");
+		   str_true_false(mhi_cntrl->wake_set));
 
 	/* counters */
 	seq_printf(m, "M0: %u M2: %u M3: %u", mhi_cntrl->M0, mhi_cntrl->M2,