add: get wiringpi from repos for arm

.drone.yml

@@ -9,21 +9,13 @@ platform:
   arch: arm
 
 steps:
-- name: download-wiringpi
-  image: plugins/download
-  settings:
-    source: https://github.com/WiringPi/WiringPi/archive/final_official_2.50.tar.gz
-    destination: wiringPi.tar.gz
 - name: makepkg
   image: agners/archlinuxarm
   commands:
-  - pacman -Syu --noconfirm base-devel awk tar
+  - pacman -Syu --noconfirm base-devel awk tar wiringpi
   - sed -i 's/(( EUID == 0 ))/(( 1 == 0 ))/g' /usr/bin/makepkg
   - export CFLAGS="-marm -mfpu=vfp -march=armv6zk+fp -mcpu=arm1176jzf-s -mtune=arm1176jzf-s"
-  - tar xzf wiringPi.tar.gz
-  - cd WiringPi-final_official_2.50/
-  - ./build
-  - cd ../core/
+  - cd core/
   - makepkg -s -f --cleanbuild --noconfirm
   - cd ../core-testing
   - makepkg -s -f --cleanbuild --noconfirm