ARM: dts: qcom: Remove PMIC command and change the sleep status mask

Change the sleep status mask for validating the core GDHS and
remove the PMIC wait on command in the core SPM sequence.

Change-Id: I5b3a5edb03092fd233ea912c84c44f72767de450
Signed-off-by: Anil kumar mamidala <amami@codeaurora.org>