dmaengine: fsl-edma: fix DMA channel leak in eDMAv4

Allocate channel count consistently increases due to a missing source ID
(srcid) cleanup in the fsl_edma_free_chan_resources() function at imx93
eDMAv4.

Reset 'srcid' at fsl_edma_free_chan_resources().

Cc: stable@vger.kernel.org
Fixes: 72f5801 ("dmaengine: fsl-edma: integrate v3 support")
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20231127214325.2477247-1-Frank.Li@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

drivers/dma/fsl-edma-common.c

@@ -828,6 +828,7 @@ void fsl_edma_free_chan_resources(struct dma_chan *chan)
 	dma_pool_destroy(fsl_chan->tcd_pool);
 	fsl_chan->tcd_pool = NULL;
 	fsl_chan->is_sw = false;
+	fsl_chan->srcid = 0;
 }
 
 void fsl_edma_cleanup_vchan(struct dma_device *dmadev)