Merge pull request #7511 from haukepetersen/rm_board_weio

boards/weio/Makefile

boards/weio/Makefile.features

boards/weio/Makefile.include

boards/weio/board.c

boards/weio/include/board.h

boards/weio/include/periph_conf.h

cpu/lpc11u34/Makefile

cpu/lpc11u34/Makefile.include

cpu/lpc11u34/cpu.c

cpu/lpc11u34/include/cpu_conf.h

cpu/lpc11u34/include/periph_cpu.h

cpu/lpc11u34/include/vendor/LPC11Uxx.h

cpu/lpc11u34/ldscripts/lpc11u34.ld

cpu/lpc11u34/periph/Makefile

cpu/lpc11u34/periph/adc.c

cpu/lpc11u34/periph/cpuid.c

cpu/lpc11u34/periph/gpio.c

cpu/lpc11u34/periph/pwm.c

cpu/lpc11u34/periph/spi.c

cpu/lpc11u34/periph/timer.c