SCons: PlatformTools: hand defines form device file to envOld
SCons: PlatformTools: hand defines form device file to envOld

This handes the defines extracted from the device file
e.g. STM32F3XX to the "envOld" which is the environment
used to build the project files.

dergraaf/xpcc,chrism333/xpcc,chrism333/xpcc,dergraaf/xpcc,chrism333/xpcc,dergraaf/xpcc,chrism333/xpcc,dergraaf/xpcc