clk: qcom: Fix orphaned sleep clocks for Lahaina

Use correct name for sleep_clk across Lahaina camcc, dispcc, and videocc
to prevent sleep_clk-derived clocks from being orphaned.

Change-Id: Ia6cfbc8d89d8c51fd63e5708fe87ba4bc0c5ba60
Signed-off-by: Mike Tipton <mdtipton@codeaurora.org>