Update layer config and README

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Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
mtdev: import from separate meta-webos-ports

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ofono: import from separate meta-webos-ports

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wpa-supplicant: import from separate meta-webos-ports

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connman: import from separate meta-webos-ports

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pulseaudio: import from separate meta-webos-ports

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packagegroups: import from separate meta-webos-ports

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crash-handler: import from separate meta-webos-ports

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mjson: import from separate meta-webos-ports

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powerstat: import from separate meta-webos-ports

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apps: import from separate meta-webos-ports

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connman-adapter: import from separate meta-webos-ports

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webos-connman-adapter: import from separate meta-webos-ports

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services: import from separate meta-webos-ports

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tokens: import from separate meta-webos-ports

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wakelockd: import from separate meta-webos-ports

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webos-telephony: import from separate meta-webos-ports

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classes: import from separate meta-webos-ports

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images: import from separate meta-webos-ports
android-initscripts: import from separate meta-webos-ports