clk: tegra: Initialize secondary gr3d clock on Tegra30

There are two GPUs on Tegra30 and each of them uses a separate clock, so
the secondary clock needs to be initialized in order for the gr3d module
to work properly.
Signed-off-by: NThierry Reding <treding@nvidia.com>

drivers/clk/tegra/clk-tegra30.c

@@ -1368,6 +1368,7 @@ static struct tegra_clk_init_table init_table[] __initdata = {
 	{TEGRA30_CLK_TWD, TEGRA30_CLK_CLK_MAX, 0, 1},
 	{TEGRA30_CLK_GR2D, TEGRA30_CLK_PLL_C, 300000000, 0},
 	{TEGRA30_CLK_GR3D, TEGRA30_CLK_PLL_C, 300000000, 0},
+	{TEGRA30_CLK_GR3D2, TEGRA30_CLK_PLL_C, 300000000, 0},
 	{TEGRA30_CLK_CLK_MAX, TEGRA30_CLK_CLK_MAX, 0, 0}, /* This MUST be the last entry. */
 };