kernel: generic: remove upstream patches for 3.10-rc3 and refresh patches

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36752 3c298f89-4303-0410-b956-a3cf2f4a3e73
imx6: add new target

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36753 3c298f89-4303-0410-b956-a3cf2f4a3e73
[package] uboot-imx6: add new package

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36754 3c298f89-4303-0410-b956-a3cf2f4a3e73