omap: cpu: cpuidle: correct idle states for exit latency and tresholds

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Cstatesexit_latencythresholds
OMAP4430CPUsMPUCoreususSystemClock
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C1WFIONON44ON
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C2OFFINAINA300300ON
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C3OFFCSWROSWR500010000OFF
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C4OFFOSWROSWR520035000OFF
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Cstatesexit_latencythresholds
OMAP4460CPUsMPUCoreususSystemClock
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C1WFIONON44ON
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C2OFFINAINA3001800ON
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C3OFFCSWROSWR40004000OFF
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C4OFFOSWROSWR42004200OFF
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Cstatesexit_latencythresholds
OMAP4470CPUsMPUCoreususSystemClock
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C1WFIONON44ON
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C2OFFINAINA5001200ON
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C3OFFCSWROSWR53005300OFF
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C4OFFOSWROSWR550015000OFF
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