classes: Update classes to match new bitbake class scope functionality

Move classes to classes-global or classes-recipe as appropriate to take
advantage of new bitbake functionality to check class scope/usage.

(From OE-Core rev: f5c128008365e141082c129417eb72d2751e8045)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes-recipe/systemd-boot.bbclass

@@ -0,0 +1,35 @@
+# Copyright (C) 2016 Intel Corporation
+#
+# SPDX-License-Identifier: MIT
+
+# systemd-boot.bbclass - The "systemd-boot" is essentially the gummiboot merged into systemd.
+#                        The original standalone gummiboot project is dead without any more
+#                        maintenance.
+#
+# Set EFI_PROVIDER = "systemd-boot" to use systemd-boot on your live images instead of grub-efi
+# (images built by image-live.bbclass)
+
+do_bootimg[depends] += "${MLPREFIX}systemd-boot:do_deploy"
+
+require conf/image-uefi.conf
+# Need UUID utility code.
+inherit fs-uuid
+
+efi_populate() {
+        efi_populate_common "$1" systemd
+
+        # systemd-boot requires these paths for configuration files
+        # they are not customizable so no point in new vars
+        install -d ${DEST}/loader
+        install -d ${DEST}/loader/entries
+        install -m 0644 ${SYSTEMD_BOOT_CFG} ${DEST}/loader/loader.conf
+        for i in ${SYSTEMD_BOOT_ENTRIES}; do
+            install -m 0644 ${i} ${DEST}/loader/entries
+        done
+}
+
+efi_iso_populate:append() {
+        cp -r $iso_dir/loader ${EFIIMGDIR}
+}
+
+inherit systemd-boot-cfg