fw: app: Build as CMake External Project

This adopts this pattern from the bootloader build. It adds more
flexibility. It is assumed that in this way multiple builds for
different boards can easily be achieved.

1 files changed, 1 insertions, 1 deletions

diff --git a/imgtool.py b/imgtool.py
index 32cacb4..bec4f37 120000
--- a/imgtool.py
+++ b/imgtool.py
@@ -1 +1 @@
-fw/zephyrproject/bootloader/mcuboot/scripts/imgtool.py
\ No newline at end of file
+fw/rtos/modules/mcuboot/scripts/imgtool.py
\ No newline at end of file