make: add gpio feature

boards/arduino-due/Makefile.features

+FEATURES_PROVIDED = periph_gpio

boards/arduino-mega2560/Makefile.features

+FEATURES_PROVIDED = periph_gpio

boards/iot-lab_M3/Makefile.features

-FEATURES_PROVIDED = transceiver
+FEATURES_PROVIDED = transceiver periph_gpio

boards/msbiot/Makefile.features

+FEATURES_PROVIDED = periph_gpio

boards/pca10000/Makefile.features

+FEATURES_PROVIDED = periph_gpio

boards/pca10005/Makefile.features

+FEATURES_PROVIDED = periph_gpio

boards/samr21-xpro/Makefile.features

+FEATURES_PROVIDED = periph_gpio

boards/stm32f0discovery/Makefile.features

+FEATURES_PROVIDED = periph_gpio

boards/stm32f3discovery/Makefile.features

+FEATURES_PROVIDED = periph_gpio

boards/stm32f4discovery/Makefile.features

+FEATURES_PROVIDED = periph_gpio

boards/udoo/Makefile.features

+FEATURES_PROVIDED = periph_gpio

boards/yunjia-nrf51822/Makefile.features

+FEATURES_PROVIDED = periph_gpio

tests/driver_pir/Makefile

 APPLICATION = driver_pir
 include ../Makefile.tests_common
 
-# These boards do not suport periph/gpio.h at the time of this writing:
-BOARD_BLACKLIST = native arduino-mega2560 avsextrem chronos mbed_lpc1768 msb-430 msb-430h msba2 pttu qemu-i386 redbee-econotag telosb wsn430-v1_3b wsn430-v1_4 z1
+FEATURES_REQUIRED = periph_gpio
 
 # Define default pin mappings for some boards:
-BOARD_WHITELIST = stm32f4discovery arduino-due
 ifneq (,$(filter stm32f4discovery,$(BOARD)))
   export PIR_GPIO ?= GPIO_8
 endif

tests/periph_gpio/Makefile

 export APPLICATION = periph_gpio
 include ../Makefile.tests_common
 
-BOARD_BLACKLIST := chronos mbed_lpc1768 msb-430 msb-430h native qemu-i386 redbee-econotag telosb \
-                   wsn430-v1_3b wsn430-v1_4 z1
-# all listed boards: no periph_conf.h defined,
+FEATURES_REQUIRED = periph_gpio
 
 DISABLE_MODULE += auto_init
 

tests/periph_gpio_exti/Makefile

 export APPLICATION = periph_gpio_exti
 include ../Makefile.tests_common
 
-BOARD_BLACKLIST := chronos mbed_lpc1768 msb-430 msb-430h native qemu-i386 redbee-econotag telosb \
-                   wsn430-v1_3b wsn430-v1_4 z1
-# all listed boards: no periph_conf.h defined,
+FEATURES_REQUIRED = periph_gpio
 
 DISABLE_MODULE += auto_init