ARM: omap2plus_defconfig: enable generic net options

Enable set of generic, widely used, networking  options:
- basic QoS, filter and actions
- VLAN support
- Bridge support
Use "M" build option where possible.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>