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"

boards/atlflight/excelsior/qurt.cmake

@@ -0,0 +1,89 @@
+
+# Excelsior is the code name of a board currently in development.
+#
+# This cmake config builds for QURT which is the operating system running on
+# the DSP side.
+
+# Get $QC_SOC_TARGET from environment if existing.
+if (DEFINED ENV{QC_SOC_TARGET})
+	set(QC_SOC_TARGET $ENV{QC_SOC_TARGET})
+else()
+	set(QC_SOC_TARGET "APQ8074")
+endif()
+
+include(px4_git)
+px4_add_git_submodule(TARGET git_cmake_hexagon PATH "${PX4_SOURCE_DIR}/boards/atlflight/cmake_hexagon")
+list(APPEND CMAKE_MODULE_PATH "${PX4_SOURCE_DIR}/boards/atlflight/cmake_hexagon")
+
+if ("$ENV{HEXAGON_SDK_ROOT}" STREQUAL "")
+	message(FATAL_ERROR "Enviroment variable HEXAGON_SDK_ROOT must be set")
+else()
+	set(HEXAGON_SDK_ROOT $ENV{HEXAGON_SDK_ROOT})
+endif()
+
+include(toolchain/Toolchain-qurt)
+include(qurt_flags)
+include_directories(${HEXAGON_SDK_INCLUDES})
+
+set(CONFIG_SHMEM "1")
+add_definitions(-DORB_COMMUNICATOR)
+
+# Disable the creation of the parameters.xml file by scanning individual
+# source files, and scan all source files.  This will create a parameters.xml
+# file that contains all possible parameters, even if the associated module
+# is not used.  This is necessary for parameter synchronization between the
+# ARM and DSP processors.
+set(DISABLE_PARAMS_MODULE_SCOPING TRUE)
+
+# This definition allows to differentiate the specific board.
+add_definitions(-D__PX4_QURT_EXCELSIOR)
+
+px4_add_board(
+	PLATFORM qurt
+	VENDOR atlflight
+	MODEL excelsior
+	LABEL qurt
+	DRIVERS
+		barometer/bmp280
+		gps
+		imu/mpu9250
+		magnetometer/hmc5883
+		qshell/qurt
+		snapdragon_pwm_out
+		spektrum_rc
+	DF_DRIVERS
+		isl29501
+		ltc2946
+		mpu9250
+		trone
+	MODULES
+		airspeed_selector
+		attitude_estimator_q
+		commander
+		ekf2
+		fw_att_control
+		fw_pos_control_l1
+		land_detector
+		landing_target_estimator
+		local_position_estimator
+		mc_att_control
+		mc_pos_control
+		mc_rate_control
+		muorb/adsp
+		rc_update
+		rover_pos_control
+		sensors
+		vmount
+		vtol_att_control
+	SYSTEMCMDS
+		led_control
+		mixer
+		#motor_ramp
+		motor_test
+		param
+		perf
+		#pwm
+		#topic_listener
+		ver
+		work_queue
+	)