Reduce the bootloader partition size

Reduce  the bootloader partition for minnowboard from 60 MB
to 20 MB. This only has effect for those building the bootloader
from sources.
The prebuilt binaries have been updated also.

Change-Id: I51e301e27d3ccfc8724a88e18b82e3aa3b5e2af6
Tracked-On: https://jira01.devtools.intel.com/browse/BP-329
Signed-off-by: Andrei Barjovanu <andrei.barjovanu@intel.com>
Signed-off-by: Stefan Stanacar <stefan.stanacar@intel.com>
1 file changed