spi: Fix merge conflicts - Makefile

The patch "spi: tegra2: rename tegra2_spi.* to tegra_spi.*"
(sha1: edffa63d3d6e76991998789f9fcbaa483731ca65)
renamed tegra2_spi.c to tegra_spi.c

and the patch "Merge branch 'master' of git://git.denx.de/u-boot-microblaze"
(sha1: d978780b2e676c005460cd561f4f15b5220bdf49)

has wrongly resolved confict.

This patch fix it.

Signed-off-by: Michal Simek <monstr@monstr.eu>

drivers/spi/Makefile

@@ -44,7 +44,6 @@ COBJS-$(CONFIG_SOFT_SPI) += soft_spi.o
 COBJS-$(CONFIG_SH_SPI) += sh_spi.o
 COBJS-$(CONFIG_FSL_ESPI) += fsl_espi.o
 COBJS-$(CONFIG_TEGRA_SPI) += tegra_spi.o
-COBJS-$(CONFIG_TEGRA2_SPI) += tegra2_spi.o
 COBJS-$(CONFIG_XILINX_SPI) += xilinx_spi.o
 
 COBJS	:= $(COBJS-y)