message: TFLu: Update filtered tests for stm32f4
  Removing depthwise_conv_test and conv_test from filter list as they are
  now working with Renode.
diff: @@ -56,12 +56,11 @@ ifeq ($(TARGET), stm32f4)
  $(MAKEFILE_DIR)/downloads/stm32_bare_lib/source/debug_log.c
  MICROLITE_CC_SRCS := $(filter-out $(EXCLUDED_SRCS), $(MICROLITE_CC_SRCS))
  TEST_SCRIPT := tensorflow/lite/micro/testing/test_stm32f4_binary.sh
  - # TODO, non working tests.. the micro_speech example and conv_test.cc/depthwise_conv_test.cc partly works
  + # TODO, non working tests.. the micro_speech example partly works
  EXCLUDED_TESTS := \
  tensorflow/lite/micro/micro_interpreter_test.cc \
  tensorflow/lite/micro/micro_allocator_test.cc \
  tensorflow/lite/micro/memory_helpers_test.cc \
  - tensorflow/lite/micro/kernels/depthwise_conv_test.cc \
  tensorflow/lite/micro/kernels/logistic_test.cc \
  tensorflow/lite/micro/kernels/logical_test.cc \
  tensorflow/lite/micro/kernels/maximum_minimum_test.cc \
  @@ -77,7 +76,6 @@ ifeq ($(TARGET), stm32f4)
  tensorflow/lite/micro/kernels/dequantize_test.cc \
  tensorflow/lite/micro/kernels/unpack_test.cc \
  tensorflow/lite/micro/kernels/split_test.cc \
  - tensorflow/lite/micro/kernels/conv_test.cc \
  tensorflow/lite/micro/simple_tensor_allocator_test.cc
  MICROLITE_TEST_SRCS := $(filter-out $(EXCLUDED_TESTS), $(MICROLITE_TEST_SRCS))
  EXCLUDED_EXAMPLE_TESTS := \
  