wic: visionfive2: Add wks for Visionfive2

Add wks with the layout similar to the Starfive SDK from here:
https://github.com/starfive-tech/VisionFive2/blob/JH7110_VisionFive2_devel/conf/genimage-vf2.cfg

Signed-off-by: Alexey Firago <alexey.firago@gmail.com>

wic/visionfive2.wks

@@ -0,0 +1,22 @@
+# short-description: Create a bootable SD card image for Starfive Visionfive2 board
+# long-description:
+# Create a bootable image that can be written onto a SD card using dd for use
+# with Starfive Visionfive2 board
+# It uses SPL and u-boot
+#
+# The disk layout used is:
+#  - ----- --------- -------------- --------------
+# | | SPL | u-boot  |    boot      |    rootfs    |
+#  - ----- --------- -------------- --------------
+# ^ ^     ^         ^              ^
+# | |     |         |              |
+# 0 2MiB  4MiB   8MiB          300MiB + rootfs + IMAGE_EXTRA_SPACE
+#
+part spl --source rawcopy --sourceparams="file=u-boot-spl.bin.normal.out" --part-name spl --offset 4096S --size 2M --part-type 2E54B353-1271-4842-806F-E436D6AF6985
+
+part uboot --source rawcopy --sourceparams="file=visionfive2_fw_payload.img" --part-name uboot --offset 8192S --size 4M --part-type 5B193300-FC78-40CD-8002-E86C45580B47
+
+part /boot --source bootimg-partition --ondisk mmcblk --fstype=vfat --label boot --use-uuid --part-name boot --part-type EBD0A0A2-B9E5-4433-87C0-68B6B72699C7 --align 4096 --size 292M
+
+part /root --source rootfs --ondisk mmcblk --fstype=ext4 --part-name boot --part-type 0FC63DAF-8483-4772-8E79-3D69D8477DE4 --active --label root --align 4096
+bootloader  --ptable gpt