Revert "msm: ADSPRPC: Add early wake up signal support"

This will revert commit 64c723f4
("msm: ADSPRPC: Add early wake up signal support").

Change-Id: Ie5c596eb0890792318b136ba76a319bf0f1149ff
Acked-by: Viswanatham Paduchuri <vpaduchu@qti.qualcomm.com>
Signed-off-by: Edgar Flores <edgarf@codeaurora.org>