ARM: dts: msm: Add qfprom bindings to read gpu speed bin

This patch adds qfprom provider bindings which enables the qfprom
driver thereby adding support to read efuses from qfprom region.
This patch also adds the consumer bindings to the gpu node to
read the qfprom region for speed bin information.

Change-Id: Iaca2e9cdc45ed8c7cf319710dc97f6f855012661