fixes error '/usr/sbin/reform-flash-uboot: 94: MMCDEV: parameter not
set' as safety check for EMMC flashing fails on A311D without MMCDEV set.

reform-tools 1.34

See merge request reform/reform-tools!59

use symlinks to install systemd services to let dh_installsystemd choose whether to install into /lib or into /usr/lib

stop installing /usr/lib/systemd/system-shutdown/reform-poweroff now that the reform-lpc module does the right thing

support for LS1028A and A311D and latest u-boot

See merge request !58

 - with old u-boot imx modules can show up with 2G ram which breaks cma=512M@3G
 - cma=512M@3G is only required on ls1028a but not on a311d