net: jr2: Fix Serdes6G configuration

Sometimes no traffic was getting out on the ports, the root cause was
a wrong configuration of the Serdes6G, which is used on jr2 pcb111.
This patch fixes this issue by applying the correct configuration.

Fixes: 5e1d417bec92ac ("net: Add MSCC Jaguar2 network driver.")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
1 file changed