Revert " gpu: ion: check for input arguments in ion_free"

This reverts commit 95f587d1fa4e30ac4336122c04b62bbbabcbb666.
Revert " gpu: ion: omap: Set correct heap for TILER allocations"

This reverts commit 4900b01a9b8f2f07e68efacf71bb615cfcc524e7.
Revert "ion: Add reserve function to ion"

This reverts commit 3dcf8073bf410268e0e2351261d7341f3fba371c.
Added InteractiveX Governor with hotplug support by imoseyon

Source: https://github.com/imoseyon/leanKernel-galaxy-nexus/commit/46fafb56f76f669efb9b618e8efaf1ad612bb97b

Conflicts:
	drivers/cpufreq/Kconfig
	drivers/cpufreq/Makefile