CMXB7-1900: Eth ports 2 & 3 down after mesh eth backhaul support added
CMXB7-1900: Eth ports 2 & 3 down after mesh eth backhaul support added

Reason for change: Do not take sw_2 and sw_3 down if sub-interface VLAN is disabled
Test Procedure: Build and flash to xb7, bring mesh eth backhaul up/down, check sw_2 is up
Risks: Low
Signed-off-by: Michael Walker <michael.l.walker@intel.com>

(cherry picked from commit 5da80c2444108fb73a4a225b5a872f53f3020442)
Change-Id: I09516eac8cc1fcfd41e711bb9d20733ac26020a7

rdkcmf/rdkb-CcspPandM,rdkcmf/rdkb-CcspPandM,rdkcmf/rdkb-CcspPandM