Enable building of both bin and axf files

Signed-off-by: Richard Burton <richard.burton@arm.com>

Author: Burton2000

cmsis-pack-examples/kws/kws.cproject.yml

@@ -17,6 +17,10 @@
 # yaml-language-server: $schema=https://raw.githubusercontent.com/Open-CMSIS-Pack/devtools/schemas/projmgr/2.0.0/tools/projmgr/schemas/cproject.schema.json
 
 project:
+  output:
+    type:
+      - elf
+      - bin
 
   groups:
     - group: Wav file based example

cmsis-pack-examples/object-detection/object-detection.cproject.yml

@@ -17,6 +17,10 @@
 # yaml-language-server: $schema=https://raw.githubusercontent.com/Open-CMSIS-Pack/devtools/schemas/projmgr/2.0.0/tools/projmgr/schemas/cproject.schema.json
 
 project:
+  output:
+    type:
+      - elf
+      - bin
 
   groups:
     - group: Use Case