imx6: kernel: update 3.14 pcie patches

Remove old irq map patch and replace it with the propper upstream patches
allowing IMX6 PCIe devices behind PCIe switches to work properly.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41004 3c298f89-4303-0410-b956-a3cf2f4a3e73