[Stylecheck] Adapted checkpatch.pl to coding style.
[Stylecheck] We actually prefer __attribute__.
[Stylecheck] Accept defines using lower case x.

It is considerede CamelCase but we do accept those as it makes the code
more readable knowing that the lower case x is a placeholder for a
number or letter in the define and the define applies to all "banks",
"buffers", "subsystems".
[Stylecheck] Also accept the usage of the x defines.
[Style] A small coding style fixing session.
Add the linker generator makefile

Example of use is included in the file header
Add example to the device database file
Add Readme to linker script generator dir
Add Example makefile to linker script generator dir