Initial upgrade flow for control-plane

docs/flashing-usb.md

@@ -23,8 +23,24 @@ bootm 0x80000000
 flash-emmc.sh
 ```
 
-4. If it boots, create the A/B deployment scheme
- - (WORK IN PROGRESS)
+6. Reboot into uboot, boot using the following commands
+```
+setenv boot_source emmc
+setenv boot_part A
+
+setenv rootpart 2;
+
+setenv bootdev 0:${rootpart};
+setenv rootdev emmc:2;
+
+setenv kernel_addr_r 0xa0000000;
+
+setenv bootargs "${bootargs_console} root=${rootdev} bootpart=${boot_part} rw rootwait rootfstype=ext4";
+ext4load mmc ${bootdev} ${kernel_addr_r} /boot/kernel.itb && bootm ${kernel_addr_r};'
+```
+
+7. tail /var/log/monok8s/bootstrap.log
+
 
 ## Flashing into USB
 On MacOS