mtd: spi-nor: core: Return error code from set_4byte_addr_mode()

The prams->set_4byte_addr_mode returns error code but is not handled
in spi_nor_init(). Handle the return code from set_4byte_addr_mode().

Suggested-by: Michael Walle <michael@walle.cc>
Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Reviewed-by: Pratyush Yadav <p.yadav@ti.com>
Reviewed-by: Michael Walle <michael@walle.cc>
Link: https://lore.kernel.org/r/20220725092505.446315-5-tudor.ambarus@microchip.com