ASoC: tegra: tegra20_das: remove always-true comparison

Fix W=1 warning:

sound/soc//tegra/tegra20_das.c:101:11: warning:
comparison of unsigned expression >= 0 is always true [-Wtype-limits]
  101 |  if ((reg >= TEGRA20_DAS_DAP_CTRL_SEL) &&
      |           ^~
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://lore.kernel.org/r/20200707190612.97799-5-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/tegra/tegra20_das.c

@@ -98,8 +98,7 @@ EXPORT_SYMBOL_GPL(tegra20_das_connect_dac_to_dap);
 
 static bool tegra20_das_wr_rd_reg(struct device *dev, unsigned int reg)
 {
-	if ((reg >= TEGRA20_DAS_DAP_CTRL_SEL) &&
-	    (reg <= LAST_REG(DAP_CTRL_SEL)))
+	if (reg <= LAST_REG(DAP_CTRL_SEL))
 		return true;
 	if ((reg >= TEGRA20_DAS_DAC_INPUT_DATA_CLK_SEL) &&
 	    (reg <= LAST_REG(DAC_INPUT_DATA_CLK_SEL)))