msrtool/configure: change svn to git

Change-Id: I212e44fc7edfd1458b04fb42a8e964a3367dd72d
Signed-off-by: Iru Cai <mytbk920423@gmail.com>
Reviewed-on: https://review.coreboot.org/12710
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/util/msrtool/configure b/util/msrtool/configure
index 1d87b6f..0606f4b 100755
--- a/util/msrtool/configure
+++ b/util/msrtool/configure
@@ -18,7 +18,7 @@
 # revision number of the checked out files.
 VERSION=""
 
-REV="`svnversion -c . 2>/dev/null | sed 's,.*:,,' 2>/dev/null`"
+REV="`git describe --always 2>/dev/null`"
 VERSION="${VERSION:-$REV}"
 
 findprog() {