build: update TF-RMM release version to v0.7.0

Bump up the TF-RMM version to 0.7.0. This has been tested with
TF-A v2.13 release.

Change-Id: I4f6e481a1b013d682ee5c87b8a4f9d37e5e65602
Signed-off-by: Soby Mathew <soby.mathew@arm.com>
diff --git a/CMakeLists.txt b/CMakeLists.txt
index e613900..9ed460b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -52,7 +52,7 @@
 # and also where the project directory and version variables are set up.
 #
 
-project(RMM VERSION 0.6.0 LANGUAGES C CXX ASM)
+project(RMM VERSION 0.7.0 LANGUAGES C CXX ASM)
 
 #
 # Set global flags.