i2c: fix leaked device refcount on of_find_i2c_* error path
If of_find_i2c_device_by_node() or of_find_i2c_adapter_by_node() find a device by node, but its type does not match, a reference to that device is still held. This change fixes the problem. Signed-off-by: NVladimir Zapolskiy <vladimir_zapolskiy@mentor.com> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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