mfd: mxs-lradc: Fix Wvoid-pointer-to-enum-cast warning

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

  mxs-lradc.c:145:15: error: cast to smaller integer type 'enum mxs_lradc_id' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]

Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>

Author: krzk

drivers/mfd/mxs-lradc.c

@@ -142,7 +142,7 @@ static int mxs_lradc_probe(struct platform_device *pdev)
 	if (!of_id)
 		return -EINVAL;
 
-	lradc->soc = (enum mxs_lradc_id)of_id->data;
+	lradc->soc = (uintptr_t)of_id->data;
 
 	lradc->clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(lradc->clk)) {