ARM: tegra: rename GPU functions

Rename GPU functions to less generic names to avoid potential name
collisions.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
diff --git a/arch/arm/mach-tegra/board2.c b/arch/arm/mach-tegra/board2.c
index ff9e77c..8ba143d 100644
--- a/arch/arm/mach-tegra/board2.c
+++ b/arch/arm/mach-tegra/board2.c
@@ -128,7 +128,7 @@
 	clock_init();
 	clock_verify();
 
-	config_gpu();
+	tegra_gpu_config();
 
 #ifdef CONFIG_TEGRA_SPI
 	pin_mux_spi();
@@ -419,7 +419,7 @@
 
 	/* Enable GPU node if GPU setup has been performed */
 	if (gpu_path != NULL)
-		return gpu_enable_node(blob, gpu_path);
+		return tegra_gpu_enable_node(blob, gpu_path);
 
 	return 0;
 }