spi: tegra2: rename tegra2_spi.* to tegra_spi.*

In anticipation of Tegra3 support, start removing/renaming
Tegra2-specific files. No functional changes (yet).
Also updated copyright to 2012.

Signed-off-by: Tom Warren <twarren@nvidia.com>
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index c967d87..c20f1f2 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -43,7 +43,7 @@
 COBJS-$(CONFIG_SOFT_SPI) += soft_spi.o
 COBJS-$(CONFIG_SH_SPI) += sh_spi.o
 COBJS-$(CONFIG_FSL_ESPI) += fsl_espi.o
-COBJS-$(CONFIG_TEGRA2_SPI) += tegra2_spi.o
+COBJS-$(CONFIG_TEGRA_SPI) += tegra_spi.o
 
 COBJS	:= $(COBJS-y)
 SRCS	:= $(COBJS:.o=.c)
diff --git a/drivers/spi/tegra2_spi.c b/drivers/spi/tegra_spi.c
similarity index 98%
rename from drivers/spi/tegra2_spi.c
rename to drivers/spi/tegra_spi.c
index fe7b405..4a3e799 100644
--- a/drivers/spi/tegra2_spi.c
+++ b/drivers/spi/tegra_spi.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2010-2011 NVIDIA Corporation
+ * Copyright (c) 2010-2012 NVIDIA Corporation
  * With help from the mpc8xxx SPI driver
  * With more help from omap3_spi SPI driver
  *
@@ -32,7 +32,7 @@
 #include <asm/arch/clock.h>
 #include <asm/arch/pinmux.h>
 #include <asm/arch/uart-spi-switch.h>
-#include <asm/arch/tegra2_spi.h>
+#include <asm/arch/tegra_spi.h>
 
 #if defined(CONFIG_SPI_CORRUPTS_UART)
  #define corrupt_delay()	udelay(CONFIG_SPI_CORRUPTS_UART_DLY);