clk: tegra124: remove gr2d and gr3d clocks

Tegra124 does not have gr2d and gr3d clocks. They have been replaced by the
vic03 and gpu clocks respectively.

Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>

diff --cc drivers/clk/tegra/clk-tegra124.c
Simple merge

diff --cc include/dt-bindings/clock/tegra124-car.h
Simple merge