[FIX] Fix Microblaze UART library for Xilinx Zynq demo

Fix library install directory for Micorblaze UART library used by Xilinx
Zynq demo board.

Change-Id: I97ff86a712904d165af260adabe286e69788375c
[TASK] Revise driver daemon application for Microblaze

Revise driver daemon project to support Microblaze with dualprocshm
stack libraries.

Change-Id: I3466b6d335a30e5db7af9697d29127c27d908a92
Signed-off-by: Joerg Zelenka <joerg.zelenka@br-automation.com>
[TASK] Revise embedded MN demo for Zynq MN

The demo MN application for target Zynq SoC uses dual processor
stack library.
The application for Zynq SoC is modified to use configuration
file (mnobd.cdc) placed on the SD card along with binaries.
- Add common sdcard source for obtaining mnobd.cdc from file system
- Extend embedded MN demo with optional sdcard module
- Add Xilinx ARM configuration

Change-Id: Ib754bd171c420956429c847f955cd793636dac69
Signed-off-by: Joerg Zelenka <joerg.zelenka@br-automation.com>
[FEATURE] Add Xilinx ARM boot image generating tools

Add necessary files to generate boot image for Zynq. The boot image
includes:
- FSBL boot loader
- FPGA bitstream for PL configuration
- ELF for Xilinx ARM
- ELF for Microblaze

Change-Id: I0a8f04dca8036927e047962b3e6c3e799e12dfa7
Signed-off-by: Joerg Zelenka <joerg.zelenka@br-automation.com>
[TASK] Add Zynq SoC platform documentation

- Add platform documentation for Zynq SoC.
- Update build steps for demos, drivers, hardware and stack
  to compile it for target Xilinx ARM.

Change-Id: I62a2da8fbf8bd11585b840dbec74304e801a5517
Signed-off-by: Joerg Zelenka <joerg.zelenka@br-automation.com>
[TASK] Add known issues about Xilinx Zynq MN demo

Add known issues about Xilinx Zynq MN demo.

Change-Id: Ia19b3702961e9aadc52bef55bae3db56e7b25656
Signed-off-by: Joerg Zelenka <joerg.zelenka@br-automation.com>