atlflight/eagle: minor fixes to get it running again

- fixed df_ltc2946_wrapper battery dependency
 - fixed px4::atomic fetch_add for QuRT
 - updated PX4 QuRT SPI wrapper to set bus frequency
 - renamed "qurt-default" configs to just "qurt"

platforms/qurt/CMakeLists.txt

@@ -46,7 +46,13 @@ else()
 			modules__muorb__adsp
 			${module_libraries}
 			${df_driver_libs}
+			df_driver_framework
 			m
 		)
 
 endif()
+
+# board defined upload helper
+if(EXISTS "${PX4_BOARD_DIR}/cmake/upload.cmake")
+	include(${PX4_BOARD_DIR}/cmake/upload.cmake)
+endif()

platforms/qurt/src/px4/common/px4_init.cpp

@@ -38,7 +38,7 @@
 #include <lib/parameters/param.h>
 #include <px4_platform_common/px4_work_queue/WorkQueueManager.hpp>
 
-int px4_platform_init(void)
+int px4_platform_init()
 {
 	hrt_init();