arm: tegra12: add support for 0x80 embedded SKU

arm: tegra12: add support for 0x80 embedded SKU

Added DVFS support for CD575MI SKU 0x80 always on personality
CPU DVFS: Max Freq 1912Mhz. Switch to PLLX below 0 DegC
          and fixed voltage
SOC DVFS: Vmax 1000mv constant. Lesser freq below 0 DegC
          EMC dvfs max freq 792Mhz
GPU DVFS: Max Freq 756Mhz and thermal bump up of voltage
          by 50mv below 0 DegC
Bug 1563635

Change-Id: Ifa66f4d9905be120a3534acd8f3ab9c2b58eea37
Signed-off-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-on: http://git-master/r/557951
Reviewed-by: Aleksandr Frid <afrid@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Venkat Moganty <vmoganty@nvidia.com>
Reviewed-by: Matthew Pedro <mapedro@nvidia.com>