[ELSA-2019-4315] Unbreakable Enterprise kernel security update

[4.1.12-124.24.1]
- pinctrl: amd: Use devm_pinctrl_register() for pinctrl registration (Laxman Dewangan) [Orabug: 27539246] {CVE-2017-18174}
- mlock: fix mlock count can not decrease in race condition (Yisheng Xie) [Orabug: 27677611] {CVE-2017-18221}
- perf/core: Fix the perf_cpu_time_max_percent check (Tan Xiaojun) [Orabug: 27823815] {CVE-2017-18255}
- x86/microcode/intel: Fix a wrong assignment of revision in _save_mc (Zhenzhong Duan) [Orabug: 28190263]
- mm: cma: fix incorrect type conversion for size during dma allocation (Rohit Vaswani) [Orabug: 28407826] {CVE-2017-9725}
- x86/speculation: Make enhanced IBRS the default spectre v2 mitigation (Alejandro Jimenez) [Orabug: 28474851]
- x86/speculation: Enable enhanced IBRS usage (Alejandro Jimenez) [Orabug: 28474851]
- x86/speculation: functions for supporting enhanced IBRS (Alejandro Jimenez) [Orabug: 28474851]
- xen/blkback: fix disconnect while I/Os in flight (Juergen Gross) [Orabug: 28744234]
- mlx4_vnic: use the mlid while calling ib_detach_mcast (aru kolappan) [Orabug: 29029705]
- ext4: fail ext4_iget for root directory if unallocated (Theodore Ts'o) [Orabug: 29048557] {CVE-2018-1092} {CVE-2018-1092}
- Bluetooth: hidp: buffer overflow in hidp_process_report (Mark Salyzyn) [Orabug: 29121215] {CVE-2018-9363} {CVE-2018-9363}
- HID: debug: check length before copy_to_user() (Daniel Rosenberg) [Orabug: 29128165] {CVE-2018-9516}
- x86/MCE: Serialize sysfs changes (Seunghun Han) [Orabug: 29149888] {CVE-2018-7995}
- Input: i8042 - fix crash at boot time (Chen Hong) [Orabug: 29152328] {CVE-2017-18079}