kernel: split patches folder up into backport, pending and hack folders

* properly format/comment all patches
* merge debloat patches
* merge Kconfig patches
* merge swconfig patches
* merge hotplug patches
* drop 200-fix_localversion.patch - upstream
* drop 222-arm_zimage_none.patch - unused
* drop 252-mv_cesa_depends.patch - no longer required
* drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused
* drop 661-fq_codel_keep_dropped_stats.patch - outdated
* drop 702-phy_add_aneg_done_function.patch - upstream
* drop 840-rtc7301.patch - unused
* drop 841-rtc_pt7c4338.patch - upstream
* drop 921-use_preinit_as_init.patch - unused
* drop spio-gpio-old and gpio-mmc - unused

Signed-off-by: John Crispin <john@phrozen.org>

target/linux/generic/pending-4.4/105-add-linux-spidev-compatible.patch

@@ -0,0 +1,15 @@
+Add the linux,spidev compatible in spidev
+Several device in ramips have this binding in the dts
+
+Signed-off-by: Giuseppe Lippolis <giu.lippolis@gmail.com>
+---
+--- a/drivers/spi/spidev.c
++++ b/drivers/spi/spidev.c
+@@ -695,6 +695,7 @@ static struct class *spidev_class;
+ static const struct of_device_id spidev_dt_ids[] = {
+ 	{ .compatible = "rohm,dh2228fv" },
+ 	{ .compatible = "lineartechnology,ltc2488" },
++	{ .compatible = "siliconlabs,si3210" },
+ 	{},
+ };
+ MODULE_DEVICE_TABLE(of, spidev_dt_ids);