uboot-tools: fix install commands

Signed-off-by: Henri Bragge <henri.bragge@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/uboot-tools/uboot-tools.mk

@@ -13,13 +13,13 @@ endef
 
 ifeq ($(BR2_PACKAGE_UBOOT_TOOLS_MKIMAGE),y)
 define UBOOT_TOOLS_INSTALL_MKIMAGE
-	install -m 0755 -D $(@D)/tools/mkimage $(TARGET_DIR)/usr/bin
+	$(INSTALL) -m 0755 -D $(@D)/tools/mkimage $(TARGET_DIR)/usr/bin/mkimage
 endef
 endif
 
 ifeq ($(BR2_PACKAGE_UBOOT_TOOLS_FWPRINTENV),y)
 define UBOOT_TOOLS_INSTALL_FWPRINTENV
-	install -m 0755 -D $(@D)/tools/env/fw_printenv $(TARGET_DIR)/usr/sbin
+	$(INSTALL) -m 0755 -D $(@D)/tools/env/fw_printenv $(TARGET_DIR)/usr/sbin/fw_printenv
 	ln -sf fw_printenv $(TARGET_DIR)/usr/sbin/fw_setenv
 endef
 endif
@@ -48,7 +48,7 @@ define HOST_UBOOT_TOOLS_BUILD_CMDS
 endef
 
 define HOST_UBOOT_TOOLS_INSTALL_CMDS
-	install -m 0755 -D $(@D)/tools/mkimage $(HOST_DIR)/usr/bin
+	$(INSTALL) -m 0755 -D $(@D)/tools/mkimage $(HOST_DIR)/usr/bin/mkimage
 endef
 
 $(eval $(call GENTARGETS))