Epoll in `syscall` package does not work on arm64. We do not have
arm64 yet here, but we will when we add tpm support etc.
Signed-off-by: Justin Cormack <justin@specialbusservice.com>
Only supports the use cases we currently need, currently support
for using Intel hardware rng to initialise and add entropy.
Supports oneshot and service mode. Call as `rngd -1` for one shot
mode.
Signed-off-by: Justin Cormack <justin.cormack@docker.com>