CFI driver NOR flash array support.
Used hints:
hint.cfi.0.width=0
preset bus access width
| 0 | auto probe |
| 1 | 8bit |
| 2 | 16bit |
| 4 | 32bit |
(can do 64bit, but devices with this width unknown)
hint.cfi.0.shift=0
preset address multiplier
| 0 | auto probe |
| 1 | dont shift |
| 2 | «1 |
| 4 | «2 |
TODO: fix detection algorithm, currently he detect flash with width=2 and addr_multiplier shift=2 as w=1,s=2