drivers: dio: Missing a blank line after declarations

This patch fixes the checkpatch.pl error:

< WARNING: Missing a blank line after declarations
< #97: FILE: drivers/dio/dio.c:97:
< +     unsigned int i;
< +     for (i = 0; i < ARRAY_SIZE(names); i++)
Signed-off-by: Aleksa Vučković <aleksav013@gmail.com>
Link: https://lore.kernel.org/r/20220127135054.27281-7-aleksav013@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/dio/dio.c

@@ -94,6 +94,7 @@ static const char *dio_getname(int id)
 {
 	/* return pointer to a constant string describing the board with given ID */
 	unsigned int i;
+
 	for (i = 0; i < ARRAY_SIZE(names); i++)
 		if (names[i].id == id)
 			return names[i].name;