- Copy stable/10 (r259064) to releng/10.0 as part of the
10.0-RELEASE cycle.
- Update __FreeBSD_version [1]
- Set branch name to -RC1

[1] 10.0-CURRENT __FreeBSD_version value ended at '55', so
start releng/10.0 at '100' so the branch is started with
a value ending in zero.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Move to using a common arm_init.S. These things are more similar than
different at this point.

MFp4:

Tidy up a bit. Make sure that the burned image matches the downloaded
one.

spi flash updating boot loader. upload this file for the recovery
xmodem download. Then download the image you want in the flash.
This will burn the image into the flash. You must then reset the
unit and the new flash image will be used for booting...