ASoC: rockchip: Fix Wvoid-pointer-to-enum-cast warning

'version' is an enum, thus cast of pointer on 64-bit compile test with
W=1 causes:

  rockchip_pdm.c:587:18: error: cast to smaller integer type 'enum rk_pdm_version' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230815143204.379708-3-krzysztof.kozlowski@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/rockchip/rockchip_pdm.c

@@ -584,7 +584,7 @@ static int rockchip_pdm_probe(struct platform_device *pdev)
 
 	match = of_match_device(rockchip_pdm_match, &pdev->dev);
 	if (match)
-		pdm->version = (enum rk_pdm_version)match->data;
+		pdm->version = (uintptr_t)match->data;
 
 	if (pdm->version == RK_PDM_RK3308) {
 		pdm->reset = devm_reset_control_get(&pdev->dev, "pdm-m");