[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/meta/poky/scripts/lib/wic/canned-wks/sdimage-bootpart.wks b/meta/poky/scripts/lib/wic/canned-wks/sdimage-bootpart.wks
new file mode 100644
index 0000000..63bc4da
--- /dev/null
+++ b/meta/poky/scripts/lib/wic/canned-wks/sdimage-bootpart.wks
@@ -0,0 +1,6 @@
+# short-description: Create SD card image with a boot partition
+# long-description: Creates a partitioned SD card image. Boot files
+# are located in the first vfat partition.
+
+part /boot --source bootimg-partition --ondisk mmcblk0 --fstype=vfat --label boot --active --align 4 --size 16
+part / --source rootfs --ondisk mmcblk0 --fstype=ext4 --label root --align 4