L2SS-2305: Add Hawkbit support

Closes L2SS-2305

conf/distro/halibut.conf

+DISTRO = "halibut"
+DISTRO_NAME = "LOFAR Halibut"
+DISTRO_VERSION = "${HALIBUT_VERSION}"
+DISTRO_CODENAME = "scarthgap"
+SDK_VENDOR = "-halibutsdk"
+SDK_VERSION = "${@d.getVar('DISTRO_VERSION').replace('snapshot-${METADATA_REVISION}', 'snapshot')}"
+SDK_VERSION[vardepvalue] = "${SDK_VERSION}"
+
+MAINTAINER = "Halibut Maintainers <feldt@astron.nl>"
+
+TARGET_VENDOR = "-halibut"
+
+LOCALCONF_VERSION = "2"
+
+# Override these in halibut based distros
+HALIBUT_DEFAULT_EXTRA_RDEPENDS = "packagegroup-core-boot"
+HALIBUT_DEFAULT_EXTRA_RRECOMMENDS = "kernel-module-af-packet"
+
+DISTRO_FEATURES ?= "${DISTRO_FEATURES_DEFAULT}"
+
+PREFERRED_VERSION_linux-yocto ?= "6.6%"
+PREFERRED_VERSION_linux-yocto-rt ?= "6.6%"
+
+SDK_NAME = "${DISTRO}-${TCLIBC}-${SDKMACHINE}-${IMAGE_BASENAME}-${TUNE_PKGARCH}-${MACHINE}"
+SDKPATHINSTALL = "/opt/${DISTRO}/${SDK_VERSION}"
+
+DISTRO_EXTRA_RDEPENDS += "${HALIBUT_DEFAULT_EXTRA_RDEPENDS}"
+DISTRO_EXTRA_RRECOMMENDS += "${HALIBUT_DEFAULT_EXTRA_RRECOMMENDS}"
+
+TCLIBCAPPEND = ""
+
+PACKAGE_CLASSES ?= "package_ipk"
+
+SANITY_TESTED_DISTROS ?= " \
+            poky-4.3 \n \
+            poky-5.0 \n \
+            ubuntu-20.04 \n \
+            ubuntu-22.04 \n \
+            ubuntu-23.04 \n \
+            fedora-38 \n \
+            fedora-39 \n \
+            centosstream-8 \n \
+            debian-11 \n \
+            debian-12 \n \
+            opensuseleap-15.4 \n \
+            almalinux-8.8 \n \
+            almalinux-9.2 \n \
+            rocky-9 \n \
+            "
+
+# QA check settings - a little stricter than the OE-Core defaults
+# (none currently necessary as we now match OE-Core)
+#WARN_TO_ERROR_QA = "X"
+#WARN_QA_remove = "${WARN_TO_ERROR_QA}"
+#ERROR_QA_append = " ${WARN_TO_ERROR_QA}"
+
+require conf/distro/include/no-static-libs.inc
+require conf/distro/include/yocto-uninative.inc
+require conf/distro/include/security_flags.inc
+INHERIT += "uninative"
+
+BB_SIGNATURE_HANDLER ?= "OEEquivHash"
+BB_HASHSERVE ??= "auto"
+
+INIT_MANAGER ?= "systemd"
+
+# We need debug symbols so that SPDX license manifests for the kernel work
+KERNEL_EXTRA_FEATURES:append = " features/debug/debug-kernel.scc"
+
+# Enable creation of SPDX manifests by default
+INHERIT += "create-spdx"