Cleanup and Backport clk/pistachio, clocksource/pistachio drivers into 4.4

[abhijit-mahajani-imgtec]

Currently there are few patches related to clk-pistachio, clocksource, pll 0002-clk-pistachio-Implement-PLL-rate-adjustment.patch 0016-clk-pistachio-Add-cs_RPUCORECLKOUT_1-clock-mux.patch 0024-clk-pistachio-Add-audio-pll-rates-and-set-parent-rat.patch 0034-pistachio-cpu-freq-update-freq-table.patch 0064-clocksource-pistachio-Fix-configuring-all-timer-cloc.patch 0065-clk-pistachio-allow-timer-slow-clock-rate-to-be-chan.patch 0071-clocksource-pistachio-remove-clock-source-as-valid-i.patch 0072-clk-sdhost-Fix-wrong-SDHost-card-speed.patch

This needs to be checked with what is present in upstream, and need to be backported in 4.4, and cleanup the existing patches appropriately. (add new ones/remove what is already there)

More importantly this needs to be matched with the prefix as 0xx - upstream backports or 1xx - code awaiting upstream merge or 3xx - architecture specific patches

[ghost]

Removed patch 86 and 74 from the list as it concerns atu_clk_maintainer.c. They are now part of #242 .

Removed patch 70 as it concerns arch/mips/pistachio/suspend.S. It is now part of #258.

[ghost]

0079-pistachio-4.4-kernel-migration-fixup.patch needs to be split as it contains changes about drivers/clk/pistachio/clk-pll.c.