History for barebox / arch / arm / boards / zii-imx7d-dev / flash-header-zii-imx7d-dev.imxcfg

To prepare for addition of another ZII i.MX7D based board, i.MX7D
RMU2, rename zii-imx7d-rpu2 to zii-imx7d-dev to avoid any image naming
confusion.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>