soft_spi: move to drivers/spi

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

common/Makefile

@@ -137,7 +137,6 @@ COBJS-$(CONFIG_BITBANGMII) += miiphybb.o
 COBJS-y += miiphyutil.o
 COBJS-y += s_record.o
 COBJS-y += serial.o
-COBJS-$(CONFIG_SOFT_SPI) += soft_spi.o
 ifdef CONFIG_CMD_USB
 COBJS-y += usb.o
 COBJS-$(CONFIG_USB_STORAGE) += usb_storage.o

drivers/spi/Makefile

@@ -25,9 +25,10 @@ include $(TOPDIR)/config.mk
 
 LIB	:= $(obj)libspi.a
 
-COBJS-$(CONFIG_MPC8XXX_SPI) += mpc8xxx_spi.o
 COBJS-$(CONFIG_ATMEL_SPI) += atmel_spi.o
+COBJS-$(CONFIG_MPC8XXX_SPI) += mpc8xxx_spi.o
 COBJS-$(CONFIG_MXC_SPI) += mxc_spi.o
+COBJS-$(CONFIG_SOFT_SPI) += soft_spi.o
 
 COBJS	:= $(COBJS-y)
 SRCS	:= $(COBJS:.o=.c)