Fix on previous integration, that was associated with CCRT_Port_V220.

Fix on previous integration, that was associated with CCRT_Port_V220.
The regression was caused by customisation of compilation between PCLINUX and OSF1 platforms for KERNEL/MEDWrapper library.
By the fix we define corresponded C++ preprocessor variable (MACHINE) at configuration step of KERNEL module in SALOMEconfig.h header file. So, every client of KERNEL module will automaticaly be customizing by including of this header file.