Platform/ARM/N1Sdp: Enable ACPI tables and configuration manager

This patch enables ACPI tables and configuration manager for N1SDP

Signed-off-by: Sami Mujawar <sami.mujawar@arm.com>
Signed-off-by: Khasim Syed Mohammed <khasim.mohammed@arm.com>
Reviewed-by: Pierre Gondois <pierre.gondois@arm.com>