futility: add version command

BUG=none
BRANCH=none
TEST=manual

make && ./build/futility/futility version

Change-Id: I362b13d3befba62a33bc9fd2e87ad68f4bc62a84
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/226779
Reviewed-by: Randall Spangler <rspangler@chromium.org>
diff --git a/Makefile b/Makefile
index 2a3585c..8dee03c 100644
--- a/Makefile
+++ b/Makefile
@@ -1052,6 +1052,7 @@
 	${Q}grep -hoRE '^DECLARE_FUTIL_COMMAND\([^,]+' $^ \
 		| sed 's/DECLARE_FUTIL_COMMAND(\(.*\)/_CMD(\1)/' \
 		| sort >>$@_commands
+	${Q}./scripts/getversion.sh >> $@_t
 	${Q}echo '#define _CMD(NAME) extern const struct' \
 		'futil_cmd_t __cmd_##NAME;' >> $@_t
 	${Q}cat $@_commands >> $@_t