PM: suspend: move from strlcpy() with unused retval to strscpy()

Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Author: Wolfram Sang

include/linux/suspend.h

@@ -75,7 +75,7 @@ extern struct suspend_stats suspend_stats;
 
 static inline void dpm_save_failed_dev(const char *name)
 {
-	strlcpy(suspend_stats.failed_devs[suspend_stats.last_failed_dev],
+	strscpy(suspend_stats.failed_devs[suspend_stats.last_failed_dev],
 		name,
 		sizeof(suspend_stats.failed_devs[0]));
 	suspend_stats.last_failed_dev++;