addtask svnpatch before do_configure after do_patch

IXP4XX_KERNEL_SVN_REPO ?= http://svn.nslu2-linux.org/svnroot/kernel/trunk

do_svnpatch() {
	svn co ${IXP4XX_KERNEL_SVN_REPO}/patches/${IXP4XX_KERNEL_PATCH_DIR} --revision ${IXP4XX_KERNEL_SVN_REV} ${WORKDIR}/patches-${PV}
	cp ${WORKDIR}/patches-${PV}/defconfig ${WORKDIR}/defconfig
	rm -rf ${S}/patches
	cd ${S} && ln -s ${WORKDIR}/patches-${PV} ${S}/patches
	cd ${S} && rm -rf .pc && ${STAGING_BINDIR}/quilt push -av
}