NEW: release DJI Payload-SDK version 3.2

Signed-off-by: DJI-Martin <DJI-Martin@dji.com>

samples/sample_c/platform/linux/common/3rdparty/FindLIBUSB.cmake

@@ -0,0 +1,34 @@
+#
+# Find the native LIBUSB includes and library
+#
+# This module defines
+# LIBUSB_INCLUDE_DIR, where to find libusb.h
+# LIBUSB_LIBRARY, the libraries to link against to use LIBUSB.
+# LIBUSB_FOUND, If false, do not try to use LIBUSB.
+
+FIND_PATH(LIBUSB_INCLUDE_DIR libusb.h
+        PATHS
+        /usr/local/include/libusb-1.0
+        /usr/include/libusb-1.0
+        /opt/local/include
+        /opt/include
+        )
+
+get_filename_component(LIBUSB_INCLUDE_DIR ${LIBUSB_INCLUDE_DIR} ABSOLUTE)
+
+FIND_LIBRARY(LIBUSB_LIBRARY usb-1.0
+        /usr/local/lib
+        /usr/lib
+        )
+
+IF (LIBUSB_INCLUDE_DIR)
+    IF (LIBUSB_LIBRARY)
+        SET(LIBUSB_FOUND "YES")
+    ENDIF (LIBUSB_LIBRARY)
+ENDIF (LIBUSB_INCLUDE_DIR)
+
+MARK_AS_ADVANCED(
+        LIBUSB_INCLUDE_DIR
+        LIBUSB_LIBRARY
+        LIBUSB_FOUND
+)

samples/sample_c/platform/linux/common/3rdparty/FindOPUS.cmake

@@ -0,0 +1,34 @@
+#
+# Find the native OPUS includes and library
+#
+# This module defines
+# OPUS_INCLUDE_DIR, where to find opus.h
+# OPUS_LIBRARY, the libraries to link against to use OPUS.
+# OPUS_FOUND, If false, do not try to use OPUS.
+
+FIND_PATH(OPUS_INCLUDE_DIR opus.h
+        PATHS
+        /usr/local/include/opus
+        /usr/include/opus
+        /opt/local/include
+        /opt/include
+        )
+
+get_filename_component(OPUS_INCLUDE_DIR ${OPUS_INCLUDE_DIR} ABSOLUTE)
+
+FIND_LIBRARY(OPUS_LIBRARY opus
+        /usr/local/lib
+        /usr/lib
+        )
+
+IF (OPUS_INCLUDE_DIR)
+    IF (OPUS_LIBRARY)
+        SET(OPUS_FOUND "YES")
+    ENDIF (OPUS_LIBRARY)
+ENDIF (OPUS_INCLUDE_DIR)
+
+MARK_AS_ADVANCED(
+        OPUS_INCLUDE_DIR
+        OPUS_LIBRARY
+        OPUS_FOUND
+)