yoshino: defconfig: Disable CONFIG_RT_GROUP_SCHED kernel config option

Android does not use per-cgroup CPU allowance for RT tasks feature.
Disable it so that RT task allowance is controlled globally using
/proc/sys/kernel/sched_rt_runtime_us.

Bug: 149954332
Test: TreeHugger
Change-Id: I63fe994732d9abb0119a79870f4c3c772db75aa7
Suggested-by: Snild Dolkow <snild@sony.com>
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Merged-In: I63fe994732d9abb0119a79870f4c3c772db75aa7

Ref : https://android.googlesource.com/kernel/configs/+/f5591f5e9e7bc4d7984696055955653373e9b48a%5E%21/#F0