HI3516A支持4串口

修改内核源码 Hi3516A_SDK_V1.0.5.0/osdrv/opensource/kernel/linux-3.4.y/arch/arm/mach-hi3516a/include/mach/irqs.h Hi3516A_SDK_V1.0.5.0/osdrv/opensource/kernel/linux-3.4.y/arch/arm/mach-hi3516a/core.c 编译内核  ma

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