msm: kgsl: Legacy efuse doesn't need adreno_device

For some reason the legacy efuse code was taking struct adreno_device
but wasn't using it. Remove it so we can query the efuse before the
adreno_device even comes into being.

Change-Id: Ic0dedbad3d69757dcdf59501a6b97e2a98e0827e
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>