Zephyr 1.7.0-rc2

Change-Id: I0e8fbf949a7852e810865a7d970337ab2283dcc6
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
diff --git a/Makefile b/Makefile
index 75d524d..052c0b3 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
 VERSION_MINOR 	   = 7
 PATCHLEVEL 	   = 0
 VERSION_RESERVED   = 0
-EXTRAVERSION       = -rc1
+EXTRAVERSION       = -rc2
 NAME 		   = Zephyr Kernel
 
 export SOURCE_DIR PROJECT MDEF_FILE