regulator: lp872x: Fix Wvoid-pointer-to-enum-cast warning

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

lp872x.c:867:5: error: cast to smaller integer type 'enum lp872x_regulator_id' from 'void *' [-Werror,-Wvoid-pointer-to-enum-cast]

Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

drivers/regulator/lp872x.c

···
 
 	for (i = 0; i < num_matches; i++) {
 		pdata->regulator_data[i].id =
-				(enum lp872x_regulator_id)match[i].driver_data;
+				(uintptr_t)match[i].driver_data;
 		pdata->regulator_data[i].init_data = match[i].init_data;
 	}
 out: