glibc security, bug fix, and enhancement update

2.28-164.0.1 - Merge of RH patches for ol8-u5 beta release Review-exception: Routine merge - Provide glibc.pthread.mutexspincount tunable for pthread adaptive - spin mutex Orabug: 27982358. Reviewed-by: Qing Zhao - add Ampere emag to tunable cpu list Patrick McGehearty - add optimized memset for...