Depends on internal kernel header governor.h

[basak-qcom]

kgsl_pwrscale.h requires governor.h which is not found in this source tree but only in upstream drivers/devfreq/governor.h, which is not a public header. This makes KGSL fail to build when building in a DLKM/DKMS environment, where only public kernel headers are available, not the entire kernel source tree.

@lumag suggests:

I see two options:

• export header necessary to provide governor implementation
• use simple_ondemand governor and instead use devfreq_dev_profile in order to supply target frequency info.

[basak-qcom]

Note: there are a couple of other instances of governor.h appearing in the source tree as well, which presumably will also need fixing at the same time.

[shivrawa]

This issue is resolved now. New solution uses simple_ondemand governor.
2ca93d1