ARM: dts: msm: Add use_32bit_app_setting in bootargs for msm8996

Enable 32 bit app settings, using bootargs, for msm8996
and msm8996pro to set app specific settings.

Change-Id: I9537e8022fb550e94fcba21709572372d024a701
Signed-off-by: Mohammed Khajapasha <mkhaja@codeaurora.org>
[ztu@codeaurora.org: Resolved conflicts]
Signed-off-by: Zhiqiang Tu <ztu@codeaurora.org>