west: Update zephyr and mcuboot revisions

Updated the Zephyr project revision to 8c50a4fd and the mcuboot project
revision to 41acdc7a in west.yml.

Signed-off-by: Steven Lee <[email protected]>
Change-Id: I18c422256bd2fd554366465323e44e65173beb4d

Author: stevenlee7189

west.yml

@@ -12,7 +12,7 @@ manifest:
   projects:
     - name: zephyr
       remote: github
-      revision: 0132a9442cf34ace7022f67a63dcff170e703ae3
+      revision: 8c50a4fd95a3345dfd557da186c54aedbf9aa779
       import:
         name-whitelist:
           - mcumgr
@@ -25,5 +25,5 @@ manifest:
       path: middlewares/cerberus
     - name: mcuboot
       remote: github
-      revision: 6103efe89a65860a12fe7918028d469b82699270
+      revision: 41acdc7a9790893237e33e142a6e5cf0bfe2871d
       path: bootloader/mcuboot