Preps for 1.7.0-rc2

Update version fields for 1.7.0-rc2 release.

Signed-off-by: Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no>
diff --git a/README.md b/README.md
index 1fc24d5..b0cc617 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 [coverity]: https://scan.coverity.com/projects/mcuboot
 [travis]: https://travis-ci.org/mcu-tools/mcuboot
 
-This is mcuboot version 1.7.0-rc1
+This is mcuboot version 1.7.0-rc2
 
 MCUboot is a secure bootloader for 32-bit MCUs. The goal of MCUboot is to
 define a common infrastructure for the bootloader, system flash layout on
diff --git a/docs/release-notes.md b/docs/release-notes.md
index 43b24be..30804df 100644
--- a/docs/release-notes.md
+++ b/docs/release-notes.md
@@ -5,13 +5,15 @@
 
 ## Version 1.7.0
 
-The 1.7.0 release of MCUBoot adds support for Equal slots (direct-xip)
-upgrade mode, RAM loading upgrade mode, hardening against hardware level
-fault injection and timing attacks and single image mode.
+The 1.7.0 release of MCUBoot adds support for the Mbed-OS platform,
+Equal slots (direct-xip) upgrade mode, RAM loading upgrade mode,
+hardening against hardware level fault injection and timing attacks
+and single image mode.
 There are bug fixes, and associated imgtool updates as well.
 
 ### About this release
 
+- Initial support for the Mbed-OS platform.
 - Added possibility to enter deep sleep mode after mcuboot app execution
   for cypress platform.
 - Added hardening against hardware level fault injection and timing attacks.
diff --git a/repository.yml b/repository.yml
index eb29fae..f0e8e16 100644
--- a/repository.yml
+++ b/repository.yml
@@ -30,7 +30,7 @@
     "1.4.0": "v1.4.0"
     "1.5.0": "v1.5.0"
     "1.6.0": "v1.6.0"
-    "1.7.0": "v1.7.0-rc1"
+    "1.7.0": "v1.7.0-rc2"
 
     "0-dev": "0.0.0"        # master
     "0-latest": "1.6.0"     # latest stable release
diff --git a/scripts/imgtool/__init__.py b/scripts/imgtool/__init__.py
index cd3b885..c9d7eca 100644
--- a/scripts/imgtool/__init__.py
+++ b/scripts/imgtool/__init__.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-imgtool_version = "1.7.0rc1"
+imgtool_version = "1.7.0rc2"