Slub memory allocator optimization from: https://github.com/madridii/madridii-kernel/commit/396b968b2b29773244cc42a556d358ff976123ab
Fix initial state of LCD Backlight from: https://github.com/madridii/madridii-kernel/commit/fb8f221ff4b9d99208fa98dcac222953cf95134d
Fix issue with bluetooth file transfer from: https://github.com/madridii/madridii-kernel/commit/a20aa32752933f70805ff023babb168018635c1d#L0R205
Inserted the missing portions from a bluesleep commit tosupport bluedroid: https://github.com/madridii/madridii-kernel/commit/7875ba36a9152af6d9cb0f038a0fc0fb91fa0f1d#L0L435
Validate HCI device handle before updating scan state from: https://github.com/madridii/madridii-kernel/commit/e98c6eb7bc334caeefb669ebab3652a41bc97b97
Disable Gentle Fair Sleepers. Should improve UI responsiveness
Fixing a couple typos that presented themselves while compiling previous commits.