spi: qup: Remove spi_master_put in spi_qup_remove

This driver uses devm_spi_register_master() so don't explicitly call
spi_master_put() in spi_qup_remove().

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Ivan T. Ivanov <iivanov@mm-sol.com>
Signed-off-by: Mark Brown <broonie@linaro.org>