aboot: recovery: Boot into recovery mode if boot-recovery is filled

The command field in bootloader message structure located at begining
of 'misc' partition is updated by Android when it wants to reboot into
recovery or to update radio or bootloader firmware. The current change
just checks boot.command field for 'boot-recovery' pattern, if it
exist rise global variable 'boot_into_recovery'.

Change-Id: Ibbb31b58e05305ae0de70a259f77f6511581d9c2
1 file changed