fix(n1sdp): remove platform specific pwr_domain_suspend wrapper

Turning redistributor off during suspend disables any wakeup interrupts
resulting in cpu getting stuck. This patch removes the platform specific
psci pwr_domain_suspend handler.

Signed-off-by: sahil <sahil@arm.com>
Change-Id: Ic2ad5a561be29eee9229a5cc11aa3c9320a51cb7
3 files changed