arm64: Modify support for 32bit app specific settings

Change support for 32bit app specific settings. The
change made earlier was not correct for 8996pro devices
so correct it to include all variants of 8996.

Change-Id: Id6afad04ad316dd7a41743821b7cfd513db227e5
Signed-off-by: Imran Khan <kimran@codeaurora.org>
Signed-off-by: Zhiqiang Tu <ztu@codeaurora.org>