Revert "hwrng: n2-drv - remove casts from void*"

This reverts commit 8b9cfdca9c52f7d39c3ccfac1668e31c20c9f42e.

This patch needs to wait for the HWRNG API to start using void *
for priv first.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
1 file changed