kbuild,mxs: use short logs for MXS images

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Otavio Salvador <otavio@ossystems.com.br>
Cc: Lauri Hintsala <lauri.hintsala@bluegiga.com>
Acked-by: Marek Vasut <marex@denx.de>
diff --git a/arch/arm/cpu/arm926ejs/mxs/Makefile b/arch/arm/cpu/arm926ejs/mxs/Makefile
index 152546e..1eee661 100644
--- a/arch/arm/cpu/arm926ejs/mxs/Makefile
+++ b/arch/arm/cpu/arm926ejs/mxs/Makefile
@@ -14,11 +14,12 @@
 endif
 
 # Specify the target for use in elftosb call
-MKIMAGE_TARGET-$(CONFIG_MX23) = mx23
-MKIMAGE_TARGET-$(CONFIG_MX28) = mx28
+MKIMAGE_TARGET-$(CONFIG_MX23) = mxsimage.mx23.cfg
+MKIMAGE_TARGET-$(CONFIG_MX28) = mxsimage.mx28.cfg
 
-$(OBJTREE)/mxsimage.cfg: $(SRCTREE)/$(CPUDIR)/$(SOC)/mxsimage.$(MKIMAGE_TARGET-y).cfg
-	sed "s@OBJTREE@$(OBJTREE)@g" $^ > $@
+quiet_cmd_mkimage_mxs = UIMAGE  $@
+cmd_mkimage_mxs = $(objtree)/tools/mkimage -n $< -T mxsimage $@ \
+	$(if $(KBUILD_VERBOSE:1=), >/dev/null)
 
-$(OBJTREE)/u-boot.sb: $(OBJTREE)/u-boot.bin $(OBJTREE)/spl/u-boot-spl.bin $(OBJTREE)/mxsimage.cfg
-	$(OBJTREE)/tools/mkimage -n $(OBJTREE)/mxsimage.cfg -T mxsimage $@
+u-boot.sb: $(src)/$(MKIMAGE_TARGET-y) u-boot.bin spl/u-boot-spl.bin FORCE
+	$(call if_changed,mkimage_mxs)