Enable FEC stats on mgmt port on TH5/TH6

Summary: Latest 14.X SDK has fixed the previous issue

Reviewed By: daiwei1983

Differential Revision: D91005103

fbshipit-source-id: 5a7661227ab4e8a4da66dc1005a01e2432ab0497

Author: Harshit Gulati

fboss/agent/hw/sai/switch/SaiPortManager.cpp

@@ -1965,10 +1965,10 @@ bool SaiPortManager::fecStatsSupported(PortID portId) const {
        platform_->getAsic()->getAsicType() ==
            cfg::AsicType::ASIC_TYPE_TOMAHAWK6) &&
       getPortType(portId) == cfg::PortType::MANAGEMENT_PORT) {
-    // TODO(daiweix): follow up why not supported on TH5 mgmt port, e.g.
-    // SAI_PORT_STAT_IF_IN_FEC_CORRECTABLE_FRAMES
+#if !defined(BRCM_SAI_SDK_GTE_14_0)
     // CS00012443185
     return false;
+#endif
   }
   return platform_->getAsic()->isSupported(HwAsic::Feature::SAI_FEC_COUNTERS) &&
       utility::isReedSolomonFec(getFECMode(portId));
@@ -1980,10 +1980,10 @@ bool SaiPortManager::fecCorrectedBitsSupported(PortID portId) const {
        platform_->getAsic()->getAsicType() ==
            cfg::AsicType::ASIC_TYPE_TOMAHAWK6) &&
       getPortType(portId) == cfg::PortType::MANAGEMENT_PORT) {
-    // TODO(daiweix): follow up why not supported on TH5 mgmt port, e.g.
-    // SAI_PORT_STAT_IF_IN_FEC_CORRECTED_BITS
+#if !defined(BRCM_SAI_SDK_GTE_14_0)
     // CS00012443185
     return false;
+#endif
   }
   if (platform_->getAsic()->isSupported(
           HwAsic::Feature::SAI_FEC_CORRECTED_BITS) &&