drivers/*/Makefile: fix conditional compile rule.

Fix conditional compile rule for twl4030.c and videomodes.c.

Signed-off-by: Ender.Dai <ender.dai@gmail.com>
diff --git a/drivers/usb/phy/Makefile b/drivers/usb/phy/Makefile
index 200b907..f09e55f 100644
--- a/drivers/usb/phy/Makefile
+++ b/drivers/usb/phy/Makefile
@@ -23,7 +23,6 @@
 LIB	:= $(obj)libusb_phy.a
 
 COBJS-$(CONFIG_TWL4030_USB) += twl4030.o
-COBJS-y := twl4030.o
 
 COBJS	:= $(COBJS-y)
 SRCS	:= $(COBJS:.o=.c)
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index a5e339a..7d84fc7 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -25,20 +25,19 @@
 
 LIB	:= $(obj)libvideo.a
 
-COBJS-$(CONFIG_ATI_RADEON_FB) += ati_radeon_fb.o
+COBJS-$(CONFIG_ATI_RADEON_FB) += ati_radeon_fb.o videomodes.o
 COBJS-$(CONFIG_ATMEL_LCD) += atmel_lcdfb.o
 COBJS-$(CONFIG_CFB_CONSOLE) += cfb_console.o
 COBJS-$(CONFIG_S6E63D6) += s6e63d6.o
 COBJS-$(CONFIG_VIDEO_AMBA) += amba.o
-COBJS-$(CONFIG_VIDEO_CT69000) += ct69000.o
-COBJS-$(CONFIG_VIDEO_MB862xx) += mb862xx.o
+COBJS-$(CONFIG_VIDEO_CT69000) += ct69000.o videomodes.o
+COBJS-$(CONFIG_VIDEO_MB862xx) += mb862xx.o videomodes.o
 COBJS-$(CONFIG_VIDEO_MX3) += mx3fb.o
 COBJS-$(CONFIG_VIDEO_SED13806) += sed13806.o
 COBJS-$(CONFIG_SED156X) += sed156x.o
 COBJS-$(CONFIG_VIDEO_SM501) += sm501.o
-COBJS-$(CONFIG_VIDEO_SMI_LYNXEM) += smiLynxEM.o
+COBJS-$(CONFIG_VIDEO_SMI_LYNXEM) += smiLynxEM.o videomodes.o
 COBJS-$(CONFIG_VIDEO_VCXK) += bus_vcxk.o
-COBJS-y += videomodes.o
 
 COBJS	:= $(COBJS-y)
 SRCS	:= $(COBJS:.o=.c)