Platform/Sgi: ACPI PPTT Table for RD-V1 platform

The RD-V1 platform includes sixteen single-thread CPUs. Each of the
CPUs include 64KB L1 Data cache, 64KB L1 Instruction cache and 1MB
L2 cache. The platform also includes a system level cache of 16MB.
Add PPTT table for RD-V1 platform with this information.

Signed-off-by: Pranav Madhu <pranav.madhu@arm.com>
Reviewed-by: Thomas Abraham <thomas.abraham@arm.com>
Reviewed-by: Pierre Gondois <pierre.gondois@arm.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>