serial: liteuart: fix minor-number leak on probe errors

Make sure to release the allocated minor number before returning on
probe errors.

Fixes: 1da81e5562fa ("drivers/tty/serial: add LiteUART driver")
Cc: [email protected]      # 5.11
Cc: Filip Kokosinski <[email protected]>
Cc: Mateusz Holenko <[email protected]>
Reviewed-by: Stafford Horne <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Signed-off-by: Johan Hovold <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

0 files changed, 0 insertions, 0 deletions