Merge pull request #8643 from Josar/jiminy_master

boards/jiminy-mega256rfr2/Makefile

boards/jiminy-mega256rfr2/Makefile.features

boards/jiminy-mega256rfr2/Makefile.include

boards/jiminy-mega256rfr2/board.c

boards/jiminy-mega256rfr2/include/board.h

boards/jiminy-mega256rfr2/include/periph_conf.h

cpu/atmega256rfr2/Makefile

cpu/atmega256rfr2/Makefile.features

cpu/atmega256rfr2/Makefile.include

cpu/atmega256rfr2/cpu.c

cpu/atmega256rfr2/doc.txt

cpu/atmega256rfr2/include/cpu_conf.h

cpu/atmega256rfr2/include/periph_cpu.h

cpu/atmega256rfr2/periph/Makefile

cpu/atmega256rfr2/periph/cpuid.c

cpu/atmega256rfr2/startup.c

cpu/atmega_common/periph/adc.c

cpu/atmega_common/periph/gpio.c

cpu/atmega_common/periph/pm.c

cpu/atmega_common/periph/spi.c