drm/msm: adreno: enable GMU bandwidth for A740 and A750

Now all the DDR bandwidth voting via the GPU Management Unit (GMU)
is in place, declare the Bus Control Modules (BCMs) and the
corresponding parameters in the GPU info struct.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/629401/


Signed-off-by: Rob Clark <robdclark@chromium.org>