Split unit test configs to fit into ESP32s2's memory

tools/unit-test-app/configs/default_s2 → tools/unit-test-app/configs/default_s2_1

@@ -1,3 +1,3 @@
 # This config is split between targets since different component needs to be included (esp32, esp32s2)
 CONFIG_IDF_TARGET="esp32s2"
-TEST_COMPONENTS=freertos esp32s2 esp_timer driver heap pthread soc spi_flash vfs
+TEST_COMPONENTS=freertos esp32s2 esp_timer driver heap

tools/unit-test-app/configs/default_s2_2

@@ -0,0 +1,3 @@
+# This config is split between targets since different component needs to be included (esp32, esp32s2)
+CONFIG_IDF_TARGET="esp32s2"
+TEST_COMPONENTS=pthread soc spi_flash vfs

tools/unit-test-app/configs/single_core_s2

@@ -1,6 +1,4 @@
 # This config is split between targets since different component needs to be included (esp32, esp32s2)
 CONFIG_IDF_TARGET="esp32s2"
-TEST_COMPONENTS=freertos esp32s2 esp_timer driver heap pthread soc spi_flash vfs test_utils
-CONFIG_MEMMAP_SMP=n
-CONFIG_FREERTOS_UNICORE=y
+TEST_COMPONENTS=esp32s2 esp_timer driver heap soc spi_flash test_utils
 CONFIG_ESP32S2_RTCDATA_IN_FAST_MEM=y