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/applications/misc/mkgmap/build.xml.patch

@@ -0,0 +1,46 @@
+--- a/build.xml	(revision 4555)
++++ a/build.xml	(working copy)
+@@ -222,13 +222,13 @@
+ 		<property name="svn.version.build" value="none"/>
+ 
+ 		<propertyfile file="${build.classes}/mkgmap-version.properties">
+-			<entry key="svn.version" value="${svn.version.build}" />
+-			<entry key="build.timestamp" value="${build.timestamp}" />
++			<entry key="svn.version" value="@version@" />
++			<entry key="build.timestamp" value="unknown" />
+ 		</propertyfile>
+ 	</target>
+ 
+ 	<!-- Compile the product itself (no tests). -->
+-	<target name="compile" depends="prepare, resolve-compile"
++	<target name="compile" depends="prepare"
+ 					description="main compilation">
+ 
+ 		<javac srcdir="${src}" destdir="${build.classes}" encoding="utf-8" debug="true" includeantruntime="false">
+@@ -263,7 +263,7 @@
+ 	</target>
+ 
+ 	<!-- Compile the test classes -->
+-	<target name="build-test" depends="build, resolve-test">
++	<target name="build-test" depends="build">
+ 		<mkdir dir="${build.test}" />
+ 		<javac srcdir="${test}" destdir="${build.test}" encoding="utf-8" debug="true" includeantruntime="false">
+ 			<include name="**/*.java" />
+@@ -271,7 +271,7 @@
+ 		</javac>
+ 	</target>
+ 
+-	<target name="test" depends="build-test, obtain-test-input-files" description="Run the junit tests">
++	<target name="test" depends="build-test" description="Run the junit tests">
+ 		<mkdir dir="tmp/report"/>
+ 		<junit printsummary="yes" failureproperty="junit.failure" forkmode="once">
+ 
+@@ -351,7 +351,7 @@
+ 			ignoreerrors="true"/>
+ 	</target>
+ 
+-	<target name="dist" depends="build, check-version, version-file"
++	<target name="dist" depends="build, version-file"
+ 					description="Make the distribution area">
+ 
+ 		<mkdir dir="${dist}"/>