mvebu: use libdeflate for FitImage

Use libdeflate for faster and better compression in FitImages.

Signed-off-by: Robert Marko <[email protected]>

target/linux/mvebu/image/Makefile

@@ -151,7 +151,7 @@ endef
 
 define Device/FitImage
   KERNEL_SUFFIX := -uImage.itb
-  KERNEL = kernel-bin | gzip | fit gzip $$(KDIR)/image-$$(DEVICE_DTS).dtb
+  KERNEL = kernel-bin | libdeflate-gzip | fit gzip $$(KDIR)/image-$$(DEVICE_DTS).dtb
   KERNEL_NAME := Image
 endef