hardware: Fix implementation of bcpy for new Chisel version.
hardware: Simplify decoding of stack operations.
hardware: Simplify (and fix) write enable computation in stack cache.
asm: Extend sspill test.
hardware: Fix write combine buffer to work with stack cache.
build: Define Verilog macro in project files instead of Makefile.
hardware: source files shall have no execute permission set
pasim: catch loader errors with specific error messages, do proper cleanup
pasim: very basic implementation of NOC SPM.
scba: SCBA implementation for simulator

* spilling/filling aligned to burst size
* freeing with additional fill (if needed)
* a simple test case
simulator: docbug fixed
simulator: fix CMake dev warning
Fixed DataByteEn issue
Merge branch 'master' of https://github.com/t-crest/patmos
Write operation: DVA is returned from the arbiter immediately after burst operation
scba: minor fixes

* fix sfree when no filling is required
* support data filled to be larger than the sens's argument
arbiter: comments for requested changes
libmp: A preliminary step om the way to a barrier.