char: misc: increase DYNAMIC_MINORS value

DYNAMIC_MINORS value has been set to 64.
Due to this reason, we are facing a module loading fail problem of
device driver like below.

 [   45.712771] pdic_misc_init - return error : -16

We need to increase this value for registering more misc devices.
Signed-off-by: NSangmoon Kim <sangmoon.kim@samsung.com>
Link: https://lore.kernel.org/r/20201029062855.19757-1-sangmoon.kim@samsung.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/char/misc.c

@@ -60,7 +60,7 @@ static DEFINE_MUTEX(misc_mtx);
 /*
  * Assigned numbers, used for dynamic minors
  */
-#define DYNAMIC_MINORS 64 /* like dynamic majors */
+#define DYNAMIC_MINORS 128 /* like dynamic majors */
 static DECLARE_BITMAP(misc_minors, DYNAMIC_MINORS);
 
 #ifdef CONFIG_PROC_FS