NPU configuration support update in relevant apps.

Bare metal app - added all the configurations for the different NPUs.
FreeRTOS app and driver_unit_conv test - excluded all NPU configurations except ethos-u55-128.

Change-Id: I6f69526613cd18c572af1186e5997816fad246b4
diff --git a/applications/freertos/CMakeLists.txt b/applications/freertos/CMakeLists.txt
index 292f598..8be3b3a 100644
--- a/applications/freertos/CMakeLists.txt
+++ b/applications/freertos/CMakeLists.txt
@@ -16,8 +16,8 @@
 # limitations under the License.
 #
 
-# Exclude this app if freertos target does not exist
-if (NOT TARGET freertos_kernel)
+# Exclude this app if freertos target does not exist or if NPU configuration is not H128
+if (NOT TARGET freertos_kernel OR NOT ETHOSU_TARGET_NPU_CONFIG STREQUAL "ethos-u55-128")
     message("Skipping FreeRTOS application")
     return()
 endif()