Add libsignon-qt5 recipe needed by buteo

recipes-nemomobile/libsignon-qt5/libsignon-qt5_git.bb

+SUMMARY = "Single Sign On framework"
+HOMEPAGE = "https://gitlab.com/accounts-sso/signond"
+LICENSE = "LGPL-2.1+"
+LIC_FILES_CHKSUM = "file://COPYING;md5=243b725d71bb5df4a1e5920b344b86ad"
+
+SRC_URI = "git://gitlab.com/accounts-sso/signond.git;protocol=https"
+SRCREV = "440587278e2cd5cb268e9d95fbf45d18849fd879"
+PR = "r1"
+PV = "+git${SRCREV}"
+S = "${WORKDIR}/git"
+inherit qmake5
+
+do_configure_prepend() {
+    sed -i "/doc.pri/d" ${S}/signon.pro
+}
+
+do_install_append() {
+    mv ${D}/usr/lib64/ ${D}/usr/lib/
+}
+
+DEPENDS += "qtbase"
+FILES_${PN} += "/usr/share/dbus-1/ /usr/lib/signon/"
+FILES_${PN}-dev += "/usr/lib/cmake/"