a13_olinuxino_micro: Add

Import initial a13_olinuxino_micro config by running bin2fex on the script.bin
found on the preliminary Debian images made available by Olimex.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
a13_olinuxino_micro: Correct dram parameters

Make them the same as the parameters which our u-boot is actually using.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
a13_olinuxino_micro: Disable unused soc parts

The a13_olinuxino_micro does not have the pmu, so set pmu_used to 0, likewise
for functions which need gpio-pins on the axp. While at it also disable some
other clearly not present functions in the fex file.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
a13_olinuxino*: Document that the lcd-out mode is used for vga-out

To avoid others falling in the pit-trap of thinking oh the output_type is
wrong lets fix it...

Signed-off-by: Hans de Goede <hdegoede@redhat.com>