Add dt.img into BOARD_PACK_RADIOIMAGES.

So it will be included into hikey960-img.zip.

Bug: 62195105
Test: lunch hikey960-userdebug; m dist. Check hikey960-img.zip.
Change-Id: I3309da84ea66b101daa2b84fcfeb4d71bf6b35d1
1 file changed