uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/tools/compression/flips/use-system-libdivsufsort.patch

@@ -0,0 +1,15 @@
+diff --git a/Makefile b/Makefile
+index c9d8b6d..9d66b0b 100644
+--- a/Makefile
++++ b/Makefile
+@@ -79,9 +79,7 @@ endif
+ MOREFLAGS := $(CFLAGS_$(TARGET))
+ 
+ 
+-DIVSUF := libdivsufsort-2.0.1
+-SOURCES += $(DIVSUF)/lib/divsufsort.c $(DIVSUF)/lib/sssort.c $(DIVSUF)/lib/trsort.c
+-MOREFLAGS += -I$(DIVSUF)/include -DHAVE_CONFIG_H -D__STDC_FORMAT_MACROS
++MOREFLAGS += -ldivsufsort
+ 
+ ifeq ($(TARGET),gtk)
+   CFLAGS_G += -fopenmp