WIP: Integrate RAUC and U-Boot

Change-Id: I699e72e3229953af62393b9a1fa199e6767aba0b
diff --git a/board/czechlight/clearfog/overlay/etc/rauc/system.conf b/board/czechlight/clearfog/overlay/etc/rauc/system.conf
new file mode 100644
index 0000000..40b839e
--- /dev/null
+++ b/board/czechlight/clearfog/overlay/etc/rauc/system.conf
@@ -0,0 +1,11 @@
+[system]
+compatible=czechlight-clearfog
+bootloader=uboot
+
+[slot.rootfs.0]
+device=/dev/mmcblk0p2
+bootname=A
+
+[slot.rootfs.1]
+device=/dev/mmcblk0p3
+bootname=B