Changed compression level

bootimg.mk

@@ -8,7 +8,7 @@ endif
 
 $(recovery_ramdisk): $(recovery_uncompressed_ramdisk)
 	@echo -e ${CL_GRN}"----- Compressing recovery ramdisk (xz) ------"${CL_RST}
-	$(hide) xz -9c --format=lzma --lzma1=dict=16MiB $< > $@
+	$(hide) lzma -2c $< > $@
 
 $(INSTALLED_RECOVERYIMAGE_TARGET): $(MKBOOTIMG) $(INSTALLED_DTIMAGE_TARGET) $(recovery_kernel) $(recovery_ramdisk)
 	@echo -e ${CL_GRN}"----- Making recovery image ------"${CL_RST}