ASoC: fsl_xcvr: fix potential resource leak

"fw" variable must be relased before return.
Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
Link: https://lore.kernel.org/r/20201124141957.20481-1-viorel.suman@oss.nxp.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/fsl/fsl_xcvr.c

@@ -706,6 +706,7 @@ static int fsl_xcvr_load_firmware(struct fsl_xcvr *xcvr)
 	/* RAM is 20KiB = 16KiB code + 4KiB data => max 10 pages 2KiB each */
 	if (rem > 16384) {
 		dev_err(dev, "FW size %d is bigger than 16KiB.\n", rem);
+		release_firmware(fw);
 		return -ENOMEM;
 	}