cr50: prepare to release 0.4.8
BRANCH=cr50
TEST=none
"timestamp": 0,
"epoch": 0, // FWR diversification contributor, 32 bits.
"major": 4, // FW2_HIK_CHAIN counter.
- "minor": 7, // Mostly harmless version field.
+ "minor": 8, // Mostly harmless version field.
"applysec": -1, // Mask to and with fuse BROM_APPLYSEC.
"config1": 13, // Which BROM_CONFIG1 actions to take before launching.
"err_response": 0, // Mask to or with fuse BROM_ERR_RESPONSE.
