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/networking/kea/dont-create-var.patch

@@ -0,0 +1,28 @@
+diff --git a/Makefile.am b/Makefile.am
+index 10708e7..d4efd73 100644
+--- a/Makefile.am
++++ b/Makefile.am
+@@ -150,13 +150,6 @@ cppcheck:
+ docs:
+ 	$(MAKE) -C doc/sphinx
+ 
+-
+-# These steps are necessary during installation
+-install-exec-hook:
+-	mkdir -p $(DESTDIR)${localstatedir}/log/
+-	mkdir -p $(DESTDIR)${localstatedir}/lib/${PACKAGE_NAME}
+-	mkdir -p $(DESTDIR)${runstatedir}/${PACKAGE_NAME}
+-
+ EXTRA_DIST  = tools/path_replacer.sh
+ EXTRA_DIST += tools/mk_cfgrpt.sh
+ 
+diff --git a/src/lib/dhcpsrv/Makefile.am b/src/lib/dhcpsrv/Makefile.am
+index a0a0289..ba42f8a 100644
+--- a/src/lib/dhcpsrv/Makefile.am
++++ b/src/lib/dhcpsrv/Makefile.am
+@@ -408,5 +408,3 @@ libkea_dhcpsrv_parsers_include_HEADERS = \
+ 	parsers/simple_parser4.h \
+ 	parsers/simple_parser6.h
+ 
+-install-data-local:
+-	$(mkinstalldirs) $(DESTDIR)$(dhcp_data_dir)