Revert "mach-tegra: board-endeavor-panel.c: updated for updated smartdimmer"

This reverts commit f3fa641dc2a28bcfa4a2ac920f9f10cd97244186.
Revert "video: tegra: backport Tegra SD Gen2 support from Tegra 4"

This reverts commit bc48cf2fd35ba0df406f37ddb99b2540db8683e1.
Revert "video: tegra: update drivers"

This reverts commit 146daac76f422463587763a83d7545a5605f9833.