u-boot: remove useless symbolic link

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

boot/u-boot/u-boot.mk

@@ -11,7 +11,6 @@ U_BOOT_SITE:=ftp://ftp.denx.de/pub/u-boot
 U_BOOT_DIR:=$(BUILD_DIR)/u-boot-$(U_BOOT_VERSION)
 U_BOOT_CAT:=$(BZCAT)
 U_BOOT_BIN:=u-boot.bin
-U_BOOT_TARGET_BIN:=u-boot-$(U_BOOT_VERSION)-$(DATE).bin
 
 U_BOOT_TOOLS:=$(HOST_DIR)/usr/bin/mkimage
 MKIMAGE:=$(U_BOOT_TOOLS)
@@ -153,9 +152,7 @@ $(U_BOOT_DIR)/$(U_BOOT_BIN): $(U_BOOT_DIR)/.header_modified
 
 $(BINARIES_DIR)/$(U_BOOT_BIN): $(U_BOOT_DIR)/$(U_BOOT_BIN)
 	rm -f $(BINARIES_DIR)/$(U_BOOT_BIN)
-	rm -f $(BINARIES_DIR)/$(U_BOOT_TARGET_BIN)
-	cp -dpf $(U_BOOT_DIR)/$(U_BOOT_BIN) $(BINARIES_DIR)/$(U_BOOT_TARGET_BIN)
-	(cd $(BINARIES_DIR); ln -s $(U_BOOT_TARGET_BIN) $(U_BOOT_BIN))
+	cp -dpf $(U_BOOT_DIR)/$(U_BOOT_BIN) $(BINARIES_DIR)/
 
 $(U_BOOT_TOOLS): $(U_BOOT_DIR)/$(U_BOOT_BIN)
 	mkdir -p $(@D)