Update version for v2.7.0-rc5 release

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

VERSION

diff --git a/VERSION b/VERSION
index 1f0ae9c..92f226a 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.6.94
+2.6.95