split AU1X00 specific code from cmd_ide.c

move special case of ide_swap_read() for AU1X00 SoC into SoC-specific directory.

Signed-off-by: Pavel Herrmann <morpheus.ibis@gmail.com>
diff --git a/arch/mips/cpu/mips32/au1x00/Makefile b/arch/mips/cpu/mips32/au1x00/Makefile
index dc58475..b9f895d 100644
--- a/arch/mips/cpu/mips32/au1x00/Makefile
+++ b/arch/mips/cpu/mips32/au1x00/Makefile
@@ -25,7 +25,7 @@
 
 LIB	= $(obj)lib$(SOC).o
 
-COBJS	= au1x00_eth.o au1x00_serial.o au1x00_usb_ohci.o
+COBJS	= au1x00_eth.o au1x00_serial.o au1x00_usb_ohci.o au1x00_ide.o
 
 SRCS	:= $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))