More u-boot build unbreaking. r24646 added U_BOOT_TARGET which uses the
nonexisting BOARDNAME variable, which means that the filename expands
to -u-boot-*, confusing ln.
There's limited point in having that symlink in the first please, so simply
revert that hunk.
 U_BOOT_PATCH_DIR:=$(PROJECT_BUILD_DIR)/u-boot-$(U_BOOT_VERSION)-patches
 U_BOOT_CAT:=$(BZCAT)
 U_BOOT_BIN:=u-boot.bin
-U_BOOT_TARGET:=$(BOARD_NAME)-u-boot-$(U_BOOT_VERSION)-$(DATE).bin
 U_BOOT_TOOLS_BIN:=mkimage
 U_BOOT_TOOLS:=$(STAGING_DIR)/usr/bin/$(U_BOOT_TOOLS_BIN)
 MKIMAGE:=$(U_BOOT_TOOLS)
                 -C $(U_BOOT_DIR)
 
 $(BINARIES_DIR)/$(U_BOOT_BIN): $(U_BOOT_DIR)/$(U_BOOT_BIN)
-       rm -f $(BINARIES_DIR)/$(U_BOOT_TARGET)
        rm -f $(BINARIES_DIR)/$(U_BOOT_BIN)
-       cp -dpf $(U_BOOT_DIR)/$(U_BOOT_BIN) $(BINARIES_DIR)/$(U_BOOT_TARGET)
-       (cd $(BINARIES_DIR); ln -s $(U_BOOT_TARGET) $(U_BOOT_BIN)) 
+       cp -dpf $(U_BOOT_DIR)/$(U_BOOT_BIN) $(BINARIES_DIR)
 
 $(U_BOOT_TOOLS):       $(U_BOOT_DIR)/tools/$(U_BOOT_TOOLS_BIN)
        cp -dpf $(U_BOOT_DIR)/tools/$(U_BOOT_TOOLS_BIN) $(STAGING_DIR)/usr/bin/