[mpq8064] Porting Middleware Vendor changes to mpq-platform.

This change adds A4TV middleware devices and properties.

Change-Id: I1e68d0b4ed743da8fe9242c817876b50394301c0
Merge "[mpq8064] Porting Middleware Vendor changes to mpq-platform."
[mpq8064] Reverting i2c device access permission changes.

Inadvertent change in permissions on i2c device leading to crashing
vcap input and mpqplayerapp reverted.

Change-Id: Ia875057f81af7b107bd75a86b11197929c79f517
Merge "[mpq8064] Reverting i2c device access permission changes."