kernel: switch to custom ventana kernel config
add sky2 kernel module

This adds support for the 2nd ethernet (eth1) on GW54xx/GW53xx

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
add wifi kernel modules

Add common PCI/PCIe wireless card support at the driver level

Signed-off-by: Tim Harvey <tharvey@gateworks.com>