ASoC: fsl_easrc: fix spelling mistake "prefitler" -> "prefilter"

There is a spelling mistake in a deb_dbg message, fix it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20200423083922.8159-1-colin.king@canonical.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/fsl/fsl_easrc.c

@@ -1769,7 +1769,7 @@ static void fsl_easrc_dump_firmware(struct fsl_asrc *easrc)
 	}
 
 	dev_dbg(dev, "Firmware v%u dump:\n", firm->firmware_version);
-	dev_dbg(dev, "Num prefitler scenarios: %u\n", firm->prefil_scen);
+	dev_dbg(dev, "Num prefilter scenarios: %u\n", firm->prefil_scen);
 	dev_dbg(dev, "Num interpolation scenarios: %u\n", firm->interp_scen);
 	dev_dbg(dev, "\nInterpolation scenarios:\n");