Merge pull request #6994 from gebart/pr/frdm-k22f

boards/frdm-common/Makefile.include

boards/frdm-common/dist/old-openocd-dap-kx.cfg

boards/frdm-common/dist/old-openocd-jlink-kx.cfg

boards/frdm-common/dist/openocd-dap-kx.cfg

boards/frdm-common/dist/openocd-jlink-kx.cfg

boards/frdm-k22f/Makefile

boards/frdm-k22f/Makefile.dep

boards/frdm-k22f/Makefile.features

boards/frdm-k22f/Makefile.include

boards/frdm-k22f/board.c

boards/frdm-k22f/include/adc_params.h

boards/frdm-k22f/include/board.h

boards/frdm-k22f/include/gpio_params.h

boards/frdm-k22f/include/periph_conf.h

boards/frdm-k64f/Makefile.include

cpu/k22f/Makefile

cpu/k22f/Makefile.include

cpu/k22f/cpu.c

cpu/k22f/include/cpu_conf.h

cpu/k22f/include/vendor/MK22F10.h