This patch introduces DSA support for TP-Link TL-WDR4900 v1 switch.
Swconfig driver for QCA8327 switch is removed because this router is
only one device which use Qualcom swconfig switch.
Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
Tested-by: Nick Hainke <vincent@systemli.org> # TP Link WDR4900 v1 (5.15)
