[release/1.4.10] accounts, core, eth: pass chain config for chain maker to test DAO

(cherry picked from commit 3291235711)

core/state_processor.go

@@ -66,7 +66,7 @@ func (p *StateProcessor) Process(block *types.Block, statedb *state.StateDB, cfg
 		allLogs      vm.Logs
 		gp           = new(GasPool).AddGas(block.GasLimit())
 	)
-	// Mutate the statedb according to any hard-fork specs
+	// Mutate the the block and state according to any hard-fork specs
 	if p.config.DAOForkSupport && p.config.DAOForkBlock != nil && p.config.DAOForkBlock.Cmp(block.Number()) == 0 {
 		ApplyDAOHardFork(statedb)
 	}