perf: Remove support for events_across_hotplug

Commit: Iaafa3c6688d26508857472fd5bb32139a137880e is not complete.
(perf: stop deadlock when cpu_up fails )
Changes has been taken care for arm64 but not for arm32
Adding the support for arm32.

Change-Id: Icb6496da3078f955c30b4b36317d49cde4ef10c1
CR's fixed: 2036842
Signed-off-by: Swetha Chikkaboraiah <schikk@codeaurora.org>