linux-imx

spi: loopback-test: rename method spi_test_fill_tx to spi_test_fill_pattern

Rename method spi_test_fill_tx to spi_test_fill_pattern
to better describe what it does.

Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
Signed-off-by: Mark Brown <broonie@kernel.org>