Provisional fix for bug 3508 - Persistent storage support breaks Linux compatibility.
Enables libnvmemmory.so to be built and dynamically linked on Linux and rom boot reports persistent storage image created OK, but ROM then crashes.
- Bugfixes:
* Proper handling of boot cpu information
- Generate mem reserve map
* linux,reserve-map property
* generating reserve entry for device tree itself
* generating reserve entries from tce, rtas etc. properties
- Expression support
- Macro system