Cellular common supported APIs.

Cellular common supported APIs
Cellular common library has 3GPP AT command implemented APIs.
They can be used to minimize porting efforts when implement FreeRTOS Cellular Library APIs.

FreeRTOS Cellular Library APIs	Cellular common supported
Cellular_Init	O
Cellular_Cleanup	O
Cellular_SetRatPriority
Cellular_GetRatPriority
Cellular_RfOn	O
Cellular_RfOff	O
Cellular_GetSimCardStatus
Cellular_GetSimCardInfo	O
Cellular_GetModemInfo	O
Cellular_GetRegisteredNetwork	O
Cellular_GetNetworkTime	O
Cellular_GetSignalInfo
Cellular_GetServiceStatus	O
Cellular_SetPdnConfig	O
Cellular_GetPdnStatus
Cellular_ActivatePdn
Cellular_DeactivatePdn
Cellular_GetIPAddress	O
Cellular_SetDns
Cellular_RegisterUrcNetworkRegistrationEventCallback	O
Cellular_RegisterUrcPdnEventCallback	O
Cellular_RegisterUrcSignalStrengthChangedCallback
Cellular_RegisterModemEventCallback	O
Cellular_RegisterUrcGenericCallback	O
Cellular_GetPsmSettings	O
Cellular_SetPsmSettings	O
Cellular_GetEidrxSettings	O
Cellular_SetEidrxSettings	O
Cellular_ATCommandRaw	O
Cellular_CreateSocket	O
Cellular_SocketConnect
Cellular_SocketSend
Cellular_SocketRecv
Cellular_SocketClose
Cellular_GetHostByName
Cellular_SocketSetSockOpt	O
Cellular_SocketRegisterSocketOpenCallback	O
Cellular_SocketRegisterDataReadyCallback	O
Cellular_SocketRegisterClosedCallback	O