ARM: tegra: dma: rename driver name for clock to "tegra-apbdma"

Rename the driver name of the clock entry of Tegra APBDMA to
tegra-apbdma from of tegra-dma.

This name is more aligned towards the movement of dmaengine based
new DMA driver.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
diff --git a/arch/arm/mach-tegra/dma.c b/arch/arm/mach-tegra/dma.c
index 2698d7d..29c5114 100644
--- a/arch/arm/mach-tegra/dma.c
+++ b/arch/arm/mach-tegra/dma.c
@@ -714,7 +714,7 @@
 
 	bitmap_fill(channel_usage, NV_DMA_MAX_CHANNELS);
 
-	c = clk_get_sys("tegra-dma", NULL);
+	c = clk_get_sys("tegra-apbdma", NULL);
 	if (IS_ERR(c)) {
 		pr_err("Unable to get clock for APB DMA\n");
 		ret = PTR_ERR(c);