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/toolchain-scripts-base.bbclass

@@ -0,0 +1,17 @@
+#
+# Copyright OpenEmbedded Contributors
+#
+# SPDX-License-Identifier: MIT
+#
+
+#This function create a version information file
+toolchain_create_sdk_version () {
+	local versionfile=$1
+	rm -f $versionfile
+	touch $versionfile
+	echo 'Distro: ${DISTRO}' >> $versionfile
+	echo 'Distro Version: ${DISTRO_VERSION}' >> $versionfile
+	echo 'Metadata Revision: ${METADATA_REVISION}' >> $versionfile
+	echo 'Timestamp: ${DATETIME}' >> $versionfile
+}
+toolchain_create_sdk_version[vardepsexclude] = "DATETIME"