SDK1.3.0 specific (requiring) changes (#173)

* SDK1.3.0 specific (requiring) changes
- Fixup TinyUSB build for 0.12.0, and add back standalone examples for device/host (copied from TinyUSB)

usb/device/dev_hid_composite/CMakeLists.txt

@@ -0,0 +1,21 @@
+cmake_minimum_required(VERSION 3.13)
+
+add_executable(dev_hid_composite)
+
+target_sources(dev_hid_composite PUBLIC
+        ${CMAKE_CURRENT_LIST_DIR}/main.c
+        ${CMAKE_CURRENT_LIST_DIR}/usb_descriptors.c
+        )
+
+# Make sure TinyUSB can find tusb_config.h
+target_include_directories(dev_hid_composite PUBLIC
+        ${CMAKE_CURRENT_LIST_DIR})
+
+# In addition to pico_stdlib required for common PicoSDK functionality, add dependency on tinyusb_device
+# for TinyUSB device support and tinyusb_board for the additional board support library used by the example
+target_link_libraries(dev_hid_composite PUBLIC pico_stdlib tinyusb_device tinyusb_board)
+
+pico_add_extra_outputs(dev_hid_composite)
+
+# add url via pico_set_program_url
+example_auto_set_url(dev_hid_composite)