+RPIFW_DATE_raspberrypi4 = "20190709"
+SRCREV_raspberrypi4 = "356f5c2880a3c7e8774025aa6fc934a617553e7b"
+RPIFW_SRC_URI_raspberrypi4 = "https://github.com/raspberrypi/firmware/archive/${SRCREV}.tar.gz"
+RPIFW_S_raspberrypi_4 = "${WORKDIR}/firmware-${SRCREV}"