Update the Kconfig to include PCI on the 'depends on'
and add 'select HW_RANDOM' to insure the necessary PCI
and HW_RANDOM functions are available/included in the
build.
Signed-off-by: NTom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>