serial: fsl_lpuart: Return proper error on lpuart_serial_init error path
Signed-off-by: NAxel Lin <axel.lin@ingics.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: NAxel Lin <axel.lin@ingics.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>