power: supply: bq2415x: replace deprecated strcpy() with strscpy()

strcpy() is deprecated for NUL-terminated strings. Replace it with
strscpy() for revstr (local fixed-size buffer).

Signed-off-by: Miguel García <[e-mail]>
Signed-off-by: Sebastian Reichel <[e-mail]>

drivers/power/supply/bq2415x_charger.c

···
 
 	ret = bq2415x_detect_revision(bq);
 	if (ret < 0)
-		strcpy(revstr, "unknown");
+		strscpy(revstr, "unknown", sizeof(revstr));
 	else
 		sprintf(revstr, "1.%d", ret);