Initial version of a ld and a startup for KL25Z ARM GCC
only one flash memory (FLASH)
vectors and flash protection area are separated
LD - space reserved for vectors in RAM
RAM region shifted by 0xC0 for vectors
Update kl25z_gcc_arm branch to latest master
More pin mux options for KL25Z

  - as reported in mbed bug section, add all available mux options
Spaces correction
Merge pull request #18 from 0xc0170/kl25z_arm_gcc

Kl25z arm gcc