rename yuv to yuv_planar for the output format (#55)

samples/jpegDecodeMultiThreads/README.md

@@ -20,7 +20,7 @@ make -j
 ./jpegdecodemultithreads -i     <[input path] - input path to a single JPEG image or a directory containing JPEG images - [required]>
                          -be    <[backend] - select rocJPEG backend (0 for hardware-accelerated JPEG decoding using VCN,
                                                                      1 for hybrid JPEG decoding using CPU and GPU HIP kernels (currently not supported)) [optional - default: 0]>
-                         -fmt   <[output format] - select rocJPEG output format for decoding, one of the [native, yuv, y, rgb, rgb_planar] [optional - default: native]>
+                         -fmt   <[output format] - select rocJPEG output format for decoding, one of the [native, yuv_planar, y, rgb, rgb_planar] [optional - default: native]>
                          -o     <[output path] - path to an output file or a path to a directory - write decoded images to a file or directory based on selected output format [optional]>
                          -d     <[device id] - specify the GPU device id for the desired device (use 0 for the first device, 1 for the second device, and so on) [optional - default: 0]>
                          -crop  <[crop rectangle] - crop rectangle for output in a comma-separated format: left,top,right,bottom - [optional]>