Test: add disable syscalls when none are enabled

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
[HEAD MERGE] add kernel populate syscall list

Signed-off-by: David Goulet <dgoulet@efficios.com>
[MERGE] fix populate syscall list

Signed-off-by: David Goulet <dgoulet@efficios.com>
[MERGE] list sycall from kernel with cmdline and API

Signed-off-by: David Goulet <dgoulet@efficios.com>
[MERGE] add syscall bitmask support for syscall listing

Signed-off-by: David Goulet <dgoulet@efficios.com>