Added CMSIS files for Freescale KL43Z ARM
Revert "Added CMSIS files for Freescale KL43Z ARM"

This reverts commit 94581919bde26c093ad791025324af1471f89bd5.
Add HAL for Freescale KL43Z
Merge remote-tracking branch 'upstream/master'
Added spi_api.c and gcc_arm_kl43z.tmpl files. Fixed some issues in KL43Z target
[PROJECT.py] sorts targets and toolchains for help option

Sorts targets and toolchains for help option and adds new option -L to
generate the list with possible projects to generate.
Added LPUART support and fixed a many errors in KL43Z target
Added USB Device support for KL43Z
[PROJECT.py] adds cmdline option to use program_name instread of program_id
[PROJECT.py] add option 'clean'

Adds the cmdline option clean (to clean the export folder) and some
minor things (spelling and option order).
[PROJECT.py] removed the sys.exit() after cleaning
Fixed LPUART and USB device initialization issue. Added _kill, _exit and _getpid functions required by gcc-arm-none-eabi-4.8 toolchain.
added USBDevice support for STM32F401RE
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into dev-freescale-kl43z
Merge pull request #579 from bagbag/master

[USB] STM32F401RE - USBDevice support addition
Merge pull request #563 from ohagendorf/cmdlineoptions4project

[PROJECT.py] some additions and minor changes to cmdline options
Host test plugins: First draft with working pluging for mbed (serial sendBreak command for reset)
Host test plugins: Cleaned preliminary code before next round of refactoring and improvements
Host test plugins: Added license and fxed one parsing issue