manifest: Update sdk-mcuboot

Fixes an issue with decompression caused by a buffer size not
matching the nRF compression chunk size

Signed-off-by: Jamie McCrae <[email protected]>

Author: nordicjm

west.yml

@@ -132,7 +132,7 @@ manifest:
           compare-by-default: true
     - name: mcuboot
       repo-path: sdk-mcuboot
-      revision: v2.1.0-ncs2-rc1
+      revision: 0a70e4968d1f65118a2b5a17a27ed990c296bb5f
       path: bootloader/mcuboot
     - name: qcbor
       url: https://github.com/laurencelundblade/QCBOR