[FIX] Add Nios II arch source dir to application includes

This fix is needed with newer Quartus versions!

Change-Id: I47f6041e762cb2fbfb039f6aca712603eda5b3e7
[TASK] Revise CN Qsys sub system

- Move EPCS flash IP-Core to toplevel

Change-Id: I25470acf5f1f5e9cc23ac90bd115f54bec84bbf6
[TASK] Revise EPCS Flash programming

- Add program-epcs.sh script that can program an EPCS flash without
  connecting to Nios II instance (no need to erase flash before).
- Add EPCS support to driver application scripts.
- Add chain and converter setting files to TERASIC DE2-115 board.

Change-Id: Ia03a2dcd211c150cdb429b8e3dca42377cfdacec
[TASK] Revise Qsys subsystem of MN Altera drivers

Change-Id: If87a97422a8cad0af95f6c24a37949c4d271983f
[FEATURE] Add Quartus and Qsys project for Antares Interface

- Add MN pcp subsystem
- Add 256kx16 SRAM (tri-state-bridge)
- Add openMAC for single phy
- Add EPCS ipcore for M25P16 flash
- Add PCIe
- Add 125 MHz PLL output
- Add DPRAM for common memory
- Add pipeline bridge
- Connect PCIe with SRAM via pipeline bridge
- Separate reset interconnect for PCIe and Nios II / peripherals

Change-Id: I693fab99bd3628d3f1dfef111f40259f1e73b617