samples: modules: tflite-micro: Update Ethos-U driver config

Update Ethos-U driver config for sample app `tflm_ethosu`

Signed-off-by: Khoa Nguyen <[email protected]>

Author: khoa-nguyen-18

samples/modules/tflite-micro/tflm_ethosu/prj.conf

@@ -3,7 +3,7 @@
 CONFIG_CPP=y
 CONFIG_STD_CPP17=y
 CONFIG_TENSORFLOW_LITE_MICRO=y
-CONFIG_ARM_ETHOS_U=y
+CONFIG_ETHOS_U=y
 CONFIG_HEAP_MEM_POOL_SIZE=16384
 CONFIG_LOG=y
 CONFIG_REQUIRES_FLOAT_PRINTF=y