linux-phytec-ti

net: prueth: fix disabling storm prevention

Storm prevention feature was not being disabled because value was only
being written to memory for firmware to read if storm prevention was
enabled. Fix writes disabled status to memory once, when storm
prevention is disabled through sysfs. Additionally, the correct DRAM was
not being set during initializtion so both ports were defaulting to
DRAM0. Added initialization to set correct DRAM per port.

Signed-off-by: Aaron Kramer <a-kramer@ti.com>