board: Phytec: phycore_am64x: Increase size for Image in SPI

Increase the maximum Image size from 23 MB to 26 MB by moving the
initramfs start address up. This gives us a bigger ranger to
provide kernel images which are not stripped down too much.

Signed-off-by: Daniel Schultz <d.schultz@phytec.de>
Reviewed-by: Wadim Egorov <w.egorov@phytec.de>
1 file changed