msm: vidc: Determine the max supported load from device tree

Read the "qcom,max-load" parameter from the device tree to determine the
max support load for each target.  This allows us to do away with
the hardcoded max load with in the driver.

Change-Id: I9e874624b9209b53c7bd6d0524dd2c1314b485cb
Signed-off-by: Deva Ramasubramanian <dramasub@codeaurora.org>
5 files changed