Revert "PM / devfreq: Check for GPU busy time before sending the sample"

This reverts commit b1ae894212f8a93a296457147cc1ad39e115ee4f.
Revert "PM / devfreq: Rewrite devfreq_update_status() to fix multiple bugs"

This reverts commit 1aed96d562f987fe815f3b2a87e522f0db1aec7d.
msm8974: Update Samsung DT

Change-Id: I4ce55d9d46cd71312489893f6f459df0a134e5d3
msm: ocmem: Add support for driver probe deferral

If a driver which needs to be probed before the ocmem
driver returns a EPROBE_DEFER, then the successive probe
of the ocmem driver will fail. Add support for probe
deferral in the ocmem driver.

CRs-Fixed: 552918
Change-Id: I887e67488e574fea6cb08cdaa6b1a342ab286c3a
Signed-off-by: Neeti Desai <neetid@codeaurora.org>