common/Makefile: create others group for non core, environment and command files

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

common/Makefile

@@ -42,7 +42,7 @@ COBJS-y += s_record.o
 COBJS-y += serial.o
 COBJS-y += xyzModem.o
 
-#core command
+# core command
 COBJS-y += cmd_boot.o
 COBJS-y += cmd_bootm.o
 COBJS-y += cmd_nvedit.o
@@ -148,6 +148,9 @@ endif
 COBJS-$(CONFIG_CMD_XIMG) += cmd_ximg.o
 COBJS-$(CONFIG_YAFFS2) += cmd_yaffs2.o
 COBJS-$(CONFIG_VFD) += cmd_vfd.o
+
+# others
+COBJS-$(CONFIG_DDR_SPD) += ddr_spd.o
 COBJS-$(CONFIG_CMD_DOC) += docecc.o
 COBJS-y += flash.o
 COBJS-y += kgdb.o
@@ -155,7 +158,7 @@ COBJS-$(CONFIG_LCD) += lcd.o
 COBJS-$(CONFIG_LYNXKDI) += lynxkdi.o
 COBJS-$(CONFIG_UPDATE_TFTP) += update.o
 COBJS-$(CONFIG_USB_KEYBOARD) += usb_kbd.o
-COBJS-$(CONFIG_DDR_SPD) += ddr_spd.o
+
 
 COBJS	:= $(sort $(COBJS-y))
 SRCS	:= $(AOBJS:.o=.S) $(COBJS:.o=.c)