m7-common: Fix permissions on CPU parameter nodes

Change-Id: I4056ff3b5b09f1c630ea7a7a1c3397cc80426249
perf.profiles: cores online when setting

If cores are not online when setting freqs or governors, the
settings will not work because the files in /sys/... do not
exit when offline.

Change-Id: I6273bcc8f648d7694de86a4c1857d0b6715eb668
Revert "m7: Define support for Mifare tags"

This is already included as part of the Nfc app.

This reverts commit 01e92e07011595f8f6aa9a8810625411a416e3f6.

Change-Id: I20858cfb4b01190b8bd3ed3de9e36a21fc020935
Merge branch 'cm-11.0' into stable/cm-11.0