build: Store no_separate_recovery flag in misc_info

This may be needed during a signing process.

Change-Id: I0ab6f0e615f64c0529e605c2fa62fabf1b1ec52b
Merge remote-tracking branch 'cm/cm-11.0' into cm-11.0
Merge pull request #2 from androidarmv6/cm-11.0

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