linux-phytec-ti

Merge pull request #210 in PROCESSOR-SDK/processor-sdk-linux from plsdk-3161-3162-3165-3166 to processor-sdk-linux-4.19.y

* commit 'a77845b1fe5a134fd06a29c1a749ccc49bbae9a3':
  net: ti: prueth: In switch mode learn FDB also if only port is different
  net: ti: prueth: relocate switch related code
  net: ti: prueth: switch purge fdb when port stp state is changed
  net: ti: prueth: switch does not have priority timestamp
  net: ti: prueth: switch cancels timer in PRU stop