Prefix Compression feature addition to SAI (#2045)

* Prefix Compression feature addition to SAI

Signed-off-by: nshinoud <nshinoud@cisco.com>

Change BINCODE to META - PR change request

Signed-off-by: nshinoud <nshinoud@cisco.com>

Additional changes based on requests from git review
- Removed default meta attribute
- Added stage for table creation
- updated docs

Signed-off-by: nshinoud <nshinoud@cisco.com>

Fix typo: Changes SAI_ACL_TABLE_ATTR_PREFIX_COMPRESSION_STAGE to SAI_TABLE_ATTR_PREFIX_COMPRESSION_STAGE

Signed-off-by: nshinoud <nshinoud@cisco.com>

Fix metadata script error

Signed-off-by: nshinoud <nshinoud@cisco.com>

Another attempt to fix metadata issue. For some reason this passes on my local build

Signed-off-by: nshinoud <nshinoud@cisco.com>

Add support for Prefix Compression Table type: SRC, DST, BOTH

Signed-off-by: nshinoud <nshinoud@cisco.com>

Minor fix (change bincode to meta)

Signed-off-by: nshinoud <nshinoud@cisco.com>

Update comment

Signed-off-by: nshinoud <nshinoud@cisco.com>

* PR changes: Update an attribute and documentation

Signed-off-by: nshinoud <nshinoud@cisco.com>

* Update Docs: Packet pipeline

Signed-off-by: nshinoud <nshinoud@cisco.com>

* Update Prefix Compression Documentation: Pipeline

Signed-off-by: nshinoud <nshinoud@cisco.com>

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Signed-off-by: nshinoud <nshinoud@cisco.com>