Fix names with hyphens in SRNE v1.96

[felipecrs]

This should fix this issue:

WARNING:classes.protocol_settings:Invalid Name : grid_phase-a_voltage reg: 0x0213 doc name: grid_phase-a_voltage path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : grid_phase-a_current reg: 0x0214 doc name: grid_phase-a_current path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : grid_phase-b_voltage reg: 0x022A doc name: grid_phase-b_voltage path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : grid_phase-b_current reg: 0x0238 doc name: grid_phase-b_current path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : grid_phase-c_voltage reg: 0x022B doc name: grid_phase-c_voltage path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : grid_phase-c_current reg: 0x0239 doc name: grid_phase-c_current path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : inverter_phase-a_output_voltage reg: 0x0216 doc name: inverter_phase-a_output_voltage path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : inverter_phase-a_inductive_current reg: 0x0217 doc name: inverter_phase-a_inductive_current path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : inverter_phase-b_output_voltage reg: 0x022C doc name: inverter_phase-b_output_voltage path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : inverter_phase-b_inductive_current reg: 0x022E doc name: inverter_phase-b_inductive_current path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : inverter_phase-c_output_voltage reg: 0x022D doc name: inverter_phase-c_output_voltage path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : inverter_phase-c_inductive_current reg: 0x022F doc name: inverter_phase-c_inductive_current path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : load_phase-a_current reg: 0x0219 doc name: load_phase-a_current path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : load_phase-a_active_power reg: 0x021B doc name: load_phase-a_active_power path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : load_phase-a_apparent_power reg: 0x021C doc name: load_phase-a_apparent_power path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : load_phase-a_ratio reg: 0x021F doc name: load_phase-a_ratio path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : load_phase-b_current reg: 0x0230 doc name: load_phase-b_current path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : load_phase-b_active_power reg: 0x0232 doc name: load_phase-b_active_power path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : load_phase-b_apparent_power reg: 0x0234 doc name: load_phase-b_apparent_power path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : load_phase-b_ratio reg: 0x0236 doc name: load_phase-b_ratio path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : load_phase-c_current reg: 0x0231 doc name: load_phase-c_current path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : load_phase-c_active_power reg: 0x0233 doc name: load_phase-c_active_power path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : load_phase-c_apparent_power reg: 0x0235 doc name: load_phase-c_apparent_power path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv
WARNING:classes.protocol_settings:Invalid Name : load_phase-c_ratio reg: 0x0237 doc name: load_phase-c_ratio path: protocols/srne/srne_2021_v1.96.holding_registry_map.csv