[TASK] Added cdc with following configuration:

- 240 bytes TPDO
- 36 bytes RPDO/CN
- 10 CN configured
[TASK} Intermediate copy
[TASK] Intermediate commit
[TASK] Restructured demo_mn project
[TASK] Copy to be used to compare cleaned version
[TASK] Intermediate Cleaned copy - Not Tested
[TASK] Replace tab with spaces in makefile
[TASK] Cleanup

- Modified Cache handling pre-processor define to HOSTIF_SYNC_DCACHE
- Added pre-processor based compilation for cache functions for pdo exchange.
- Restructured hostiflib_l.c and hostiflib.c to bring a generalized hostif implementation.

The copy works at 500us with 10 CN 24/36 but execution time is more.
[TASK] Cleanup completed, tested with default cdc and 24/36 cdc