ProjectName	:	MPC21
Platform	:	ApolloLake
EC chip		:	IT8987E
EC Name		:	EC_MPC21_V0.02.bin

1. Fixed that system can not power on or need pressed twice after forceshutdown

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ProjectName	:	MPC21
Platform	:	ApolloLake
EC chip		:	IT8987E
EC Name		:	EC_MPC21_V0.01.bin

ChangeList:
1. Support auto power on (need coordination with BIOS solution)
2. Change LED behaive in state
3. Add feature that Fan speed control based on boase sensor temperture	
4. Eanble UART2 function

Note: Temperature and Fan speed mapping
	Temperature			    FAN speed
	T < 35C					0% RPM
	35<= T <45				40% RPM
	45<= T <55				60% RPM
	55<= T <65				80% RPM
	T >= 65					100% RPM	