The cctrng doesn't compile without HAS_IOMEM so we should depend
on it.
Reported-by: kbuild test robot <lkp@intel.com>
Fixes: a583ed310bb6 ("hwrng: cctrng - introduce Arm CryptoCell driver")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Hadar Gat <hadar.gat@arm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 
 config HW_RANDOM_CCTRNG
        tristate "Arm CryptoCell True Random Number Generator support"
+       depends on HAS_IOMEM
        default HW_RANDOM
        help
          This driver provides support for the True Random Number