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/development/embedded/bossa/bossa-no-applet-build.patch

@@ -0,0 +1,16 @@
+diff --git a/Makefile b/Makefile
+index cc8882e..97b11ee 100644
+--- a/Makefile
++++ b/Makefile
+@@ -184,11 +184,6 @@ $(foreach src,$(COMMON_SRCS),$(eval $(call common_obj,$(src))))
+ # Applet rules
+ #
+ define applet_obj
+-$(SRCDIR)/$(1:%.asm=%.cpp): $(SRCDIR)/$(1)
+-	@echo APPLET $(1:%.asm=%)
+-	$$(Q)$$(ARMAS) -o $$(@:%.o=%.obj) $$<
+-	$$(Q)$$(ARMOBJCOPY) -O binary $$(@:%.o=%.obj) $$(@:%.o=%.bin)
+-	$$(Q)appletgen $(1:%.asm=%) $(SRCDIR) $(OBJDIR)
+ $(OBJDIR)/$(1:%.asm=%.o): $(SRCDIR)/$(1:%.asm=%.cpp)
+ 	@echo CPP APPLET $$<
+ 	$$(Q)$$(CXX) $$(COMMON_CXXFLAGS) -c -o $$(@) $$(<:%.asm=%.cpp)