Merge branch 'mlxsw-Two-fixes'

Ido Schimmel says:

====================
mlxsw: Two fixes

This patchset contains two fixes for mlxsw.

Patch #1 from Petr fixes an issue in which DSCP rewrite can occur even
if the egress port was switched to Trust L2 mode where priority mapping
is based on PCP.

Patch #2 fixes a problem where packets can be learned on a non-existing
FID if a tc filter with a redirect action is configured on a bridged
port. The problem and fix are explained in detail in the commit message.

Please consider both patches for 5.2.y
====================

Signed-off-by: David S. Miller <davem@davemloft.net>