SAI Proposal for PoE Support

The following proposal is a draft proposal to add PoE support that will
allow  vendors to implement their own PoE solution.

Change-Id: I73fe13f2aceba1ed26bb7f23e480c99f2feefd73
Signed-off-by: DanielaMurin <[email protected]>

Author: DanielaMurin

doc/SAI-Proposal-PoE.md

@@ -79,6 +79,7 @@
 #include "saigenericprogrammable.h"
 #include "saitwamp.h"
 #include "saiversion.h"
+#include "saipoe.h"
 
 /**
  * @defgroup SAI SAI - Entry point specific API definitions.
@@ -146,6 +147,7 @@ typedef enum _sai_api_t
     SAI_API_ARS              = 48, /**<sai_ars_api_t */
     SAI_API_ARS_PROFILE      = 49, /**<sai_ars_api_profile_t */
     SAI_API_TWAMP            = 50, /**< sai_twamp_api_t */
+    SAI_API_POE              = 51, /**< sai_poe_api_t */
     SAI_API_MAX,                   /**< total number of APIs */
 
     /** Custom range base value */