ASoC: fsl: fsl_asrc: remove useless assignment

cppcheck warning:

sound/soc/fsl/fsl_asrc.c:613:8: style: Variable 'i' is assigned a
value that is never used. [unreadVariable]
 int i = 0, j = 0;
       ^

The same issue occurs for the 'j' variable.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210219232937.6440-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/fsl/fsl_asrc.c

@@ -610,7 +610,7 @@ static void fsl_asrc_select_clk(struct fsl_asrc_priv *asrc_priv,
 	struct asrc_config *config = pair_priv->config;
 	int rate[2], select_clk[2]; /* Array size 2 means IN and OUT */
 	int clk_rate, clk_index;
-	int i = 0, j = 0;
+	int i, j;
 
 	rate[IN] = in_rate;
 	rate[OUT] = out_rate;