Merge branch 'feature/example_binary_improvements' into 'master'

feature: Example binary improvements

Closes ESF-67, ESF-68, and ESF-69

See merge request espressif/esp-serial-flasher!73

examples/binaries/RAM_APP/source/CMakeLists.txt

@@ -11,5 +11,5 @@ project(hello_world)
 # This generates a binary file from the elf, as the RAM build doesn't do that automatically
 add_custom_command(TARGET ${PROJECT_NAME}.elf
     POST_BUILD
-    COMMAND esptool.py elf2image --output app.bin ${PROJECT_NAME}.elf
+    COMMAND esptool.py --chip ${IDF_TARGET} elf2image --output app.bin ${PROJECT_NAME}.elf
 )

examples/binaries/RAM_APP/source/sdkconfig.defaults

@@ -2,6 +2,7 @@
 # Espressif IoT Development Framework (ESP-IDF) Project Minimal Configuration
 #
 CONFIG_APP_BUILD_TYPE_ELF_RAM=y
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
 CONFIG_APP_NO_BLOBS=y
 CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
 CONFIG_COMPILER_OPTIMIZATION_CHECKS_SILENT=y