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/misc/most/parallel-make.patch

@@ -0,0 +1,18 @@
+Upstream commit c9cfad50a ("src/Makefile.in: Avoid a race condition
+when performing a parallel build")
+
+--- a/src/Makefile.in
++++ b/src/Makefile.in
+@@ -54,6 +54,12 @@ COMPILE_CMD = $(CC) -c $(ALL_CFLAGS) -DMOST_SYSTEM_INITFILE='"$(SYS_INITFILE)"'
+ all: $(EXEC)
+ $(EXEC): $(OBJDIR) $(CONFIG_H) slangversion $(OBJDIR)/$(EXEC)
+ 	@echo $(EXEC) created in $(OBJDIR)
++
++# C source files include autogenrated "config.h". Make sure
++# it's available before the compilation. Pessimistically assume
++# any source file can depend on "config.h".
++$(OBJS) $(OBJDIR)/chkslang.o: $(CONFIG_H)
++
+ $(OBJDIR)/$(EXEC): $(OBJS)
+ 	cd $(OBJDIR); $(CC) $(OFILES) -o $(EXEC) $(LDFLAGS) $(EXECLIBS)
+ #