ASoC: fsl: fsl_easrc: remove useless assignments

cppcheck warnings:

sound/soc/fsl/fsl_easrc.c:751:53: style: Variable 'st2_mem_alloc' is
assigned a value that is never used. [unreadVariable]
 int st1_chanxexp, st1_mem_alloc = 0, st2_mem_alloc = 0;
                                                    ^
sound/soc/fsl/fsl_easrc.c:1331:11: style: Variable 'size' is assigned
a value that is never used. [unreadVariable]
 int size = 0;
          ^

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210219232937.6440-4-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/fsl/fsl_easrc.c

@@ -710,7 +710,7 @@ static int fsl_easrc_max_ch_for_slot(struct fsl_asrc_pair *ctx,
 				     struct fsl_easrc_slot *slot)
 {
 	struct fsl_easrc_ctx_priv *ctx_priv = ctx->private;
-	int st1_mem_alloc = 0, st2_mem_alloc = 0;
+	int st1_mem_alloc = 0, st2_mem_alloc;
 	int pf_mem_alloc = 0;
 	int max_channels = 8 - slot->num_channel;
 	int channels = 0;
@@ -748,7 +748,7 @@ static int fsl_easrc_config_one_slot(struct fsl_asrc_pair *ctx,
 {
 	struct fsl_asrc *easrc = ctx->asrc;
 	struct fsl_easrc_ctx_priv *ctx_priv = ctx->private;
-	int st1_chanxexp, st1_mem_alloc = 0, st2_mem_alloc = 0;
+	int st1_chanxexp, st1_mem_alloc = 0, st2_mem_alloc;
 	unsigned int reg0, reg1, reg2, reg3;
 	unsigned int addr;
 
@@ -1328,7 +1328,7 @@ static int fsl_easrc_stop_context(struct fsl_asrc_pair *ctx)
 {
 	struct fsl_asrc *easrc = ctx->asrc;
 	int val, i;
-	int size = 0;
+	int size;
 	int retry = 200;
 
 	regmap_read(easrc->regmap, REG_EASRC_CC(ctx->index), &val);