There are no more users of this API, remove it.
Acked-by: NTony Lindgren <tony@atomide.com>
Acked-by: NMarc Zyngier <marc.zyngier@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: NStephen Boyd <sboyd@codeaurora.org>