wiringpi: Add new package

Commit created from merging:
https://github.com/SaskatoonTechworks/meta-raspberrypi/commit/c8046050db1f0026c1f10e41d95619d86ac7a822
https://github.com/SaskatoonTechworks/meta-raspberrypi/commit/fe2467c0e82ff3d243993bdffde6a24754c3a7f6
https://github.com/SaskatoonTechworks/meta-raspberrypi/commit/72f7705cbac99b834654894b545d5fa431a13b51

Added some minor changes:
* remove PR
* remove tabs

Change-Id: Ia430db732e6c9662f71eca2433d03cce738ca23f
Signed-off-by: Andrei Gherzan <andrei@gherzan.ro>

recipes-devtools/wiringPi/wiringpi_git.bb

@@ -0,0 +1,31 @@
+DESCRIPTION = "A library to control Raspberry Pi GPIO channels"
+HOMEPAGE = "https://projects.drogon.net/raspberry-pi/wiringpi/"
+SECTION = "devel/libs"
+LICENSE = "LGPLv3+"
+LIC_FILES_CHKSUM = "file://COPYING.LESSER;md5=e6a600fd5e1d9cbde2d983680233ad02"
+
+SRCREV = "98bcb20d9391ebde24f9eb1244f0d238fb1a1dab"
+
+S = "${WORKDIR}/git"
+
+SRC_URI = "\
+          git://git.drogon.net/wiringPi \
+          file://Makefiles-install.patch \
+          "
+
+COMPATIBLE_MACHINE = "raspberrypi"
+
+CFLAGS_prepend = "-I${S}/wiringPi"
+
+EXTRA_OEMAKE += "'INCLUDE_DIR=${D}${includedir}' 'LIB_DIR=${D}${libdir}'"
+EXTRA_OEMAKE += "'DESTDIR=${D}/usr' 'PREFIX=""'"
+
+do_compile() {
+    oe_runmake -C wiringPi
+    oe_runmake -C gpio 'LDFLAGS=${LDFLAGS} -L${S}/wiringPi'
+}
+
+do_install() {
+    oe_runmake -C wiringPi install
+    oe_runmake -C gpio install
+}