mlxsw: core: Fix an error handling path in 'mlxsw_core_bus_device_register()'

mlxsw: core: Fix an error handling path in 'mlxsw_core_bus_device_register()'

Resources are not freed in the reverse order of the allocation.
Labels are also mixed-up.

Fix it and reorder code and labels in the error handling path of
'mlxsw_core_bus_device_register()'

Fixes: ef3116e5403e ("mlxsw: spectrum: Register KVD resources with devlink")
Signed-off-by: Christophe JAILLET <[email protected]>
Reviewed-by: Ido Schimmel <[email protected]>
Signed-off-by: David S. Miller <[email protected]>