scripts/mkimage: fix generation of checksums

we need remove the leading path to file

scripts/mkimage-yaml.sh

@@ -66,7 +66,7 @@ EOF
 	# generate checksums if missing
 	for hash in ${checksums}; do
 		if ! [ -f "$image.$hash" ]; then
-			${hash}sum $image > $image.$hash
+			${hash}sum $image | sed 's: .*/:  :' > $image.$hash
 		fi
 		echo "  $hash: $(cut -d' ' -f1 $image.$hash)"
 	done

scripts/mkimage.sh

@@ -177,7 +177,7 @@ build_profile() {
 
 		if [ "$_checksum" = "yes" ]; then
 			for _c in $all_checksums; do
-				${_c}sum "$output_file" > "${output_file}.${_c}"
+				echo "$(${_c}sum "$output_file" | cut -d' '  -f1)  ${output_filename}" > "${output_file}.${_c}"
 			done
 		fi