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* drop 661-fq_codel_keep_dropped_stats.patch - outdated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/hack-4.9/280-rfkill-stubs.patch

@@ -0,0 +1,105 @@
+From 236c1acdfef5958010ac9814a9872e0a46fd78ee Mon Sep 17 00:00:00 2001
+From: John Crispin <john@phrozen.org>
+Date: Fri, 7 Jul 2017 17:13:44 +0200
+Subject: rfkill: add fake rfkill support
+
+allow building of modules depending on RFKILL even if RFKILL is not enabled.
+
+Signed-off-by: John Crispin <john@phrozen.org>
+---
+ include/linux/rfkill.h |  2 +-
+ net/Makefile           |  2 +-
+ net/rfkill/Kconfig     | 14 +++++++++-----
+ net/rfkill/Makefile    |  2 +-
+ 4 files changed, 12 insertions(+), 8 deletions(-)
+
+diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h
+index e6a0031d1b1f..21cf4dab0b9a 100644
+--- a/include/linux/rfkill.h
++++ b/include/linux/rfkill.h
+@@ -64,7 +64,7 @@ struct rfkill_ops {
+ 	int	(*set_block)(void *data, bool blocked);
+ };
+ 
+-#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
++#if defined(CONFIG_RFKILL_FULL) || defined(CONFIG_RFKILL_FULL_MODULE)
+ /**
+  * rfkill_alloc - allocate rfkill structure
+  * @name: name of the struct -- the string is not copied internally
+diff --git a/net/Makefile b/net/Makefile
+index 4cafaa2b4667..6566175e6c0a 100644
+--- a/net/Makefile
++++ b/net/Makefile
+@@ -51,7 +51,7 @@ obj-$(CONFIG_MAC80211)		+= mac80211/
+ obj-$(CONFIG_TIPC)		+= tipc/
+ obj-$(CONFIG_NETLABEL)		+= netlabel/
+ obj-$(CONFIG_IUCV)		+= iucv/
+-obj-$(CONFIG_RFKILL)		+= rfkill/
++obj-$(CONFIG_RFKILL_FULL)	+= rfkill/
+ obj-$(CONFIG_NET_9P)		+= 9p/
+ obj-$(CONFIG_CAIF)		+= caif/
+ ifneq ($(CONFIG_DCB),)
+diff --git a/net/rfkill/Kconfig b/net/rfkill/Kconfig
+index 868f1ad0415a..159b6ebeacd8 100644
+--- a/net/rfkill/Kconfig
++++ b/net/rfkill/Kconfig
+@@ -1,7 +1,11 @@
+ #
+ # RF switch subsystem configuration
+ #
+-menuconfig RFKILL
++config RFKILL
++	bool
++	default y
++
++menuconfig RFKILL_FULL
+ 	tristate "RF switch subsystem support"
+ 	help
+ 	  Say Y here if you want to have control over RF switches
+@@ -13,19 +17,19 @@ menuconfig RFKILL
+ # LED trigger support
+ config RFKILL_LEDS
+ 	bool
+-	depends on RFKILL
++	depends on RFKILL_FULL
+ 	depends on LEDS_TRIGGERS = y || RFKILL = LEDS_TRIGGERS
+ 	default y
+ 
+ config RFKILL_INPUT
+ 	bool "RF switch input support" if EXPERT
+-	depends on RFKILL
++	depends on RFKILL_FULL
+ 	depends on INPUT = y || RFKILL = INPUT
+ 	default y if !EXPERT
+ 
+ config RFKILL_REGULATOR
+ 	tristate "Generic rfkill regulator driver"
+-	depends on RFKILL || !RFKILL
++	depends on RFKILL_FULL || !RFKILL_FULL
+ 	depends on REGULATOR
+ 	help
+           This options enable controlling radio transmitters connected to
+@@ -36,7 +40,7 @@ config RFKILL_REGULATOR
+ 
+ config RFKILL_GPIO
+ 	tristate "GPIO RFKILL driver"
+-	depends on RFKILL
++	depends on RFKILL_FULL
+ 	depends on GPIOLIB || COMPILE_TEST
+ 	default n
+ 	help
+diff --git a/net/rfkill/Makefile b/net/rfkill/Makefile
+index 311768783f4a..dbb01a8645af 100644
+--- a/net/rfkill/Makefile
++++ b/net/rfkill/Makefile
+@@ -4,6 +4,6 @@
+ 
+ rfkill-y			+= core.o
+ rfkill-$(CONFIG_RFKILL_INPUT)	+= input.o
+-obj-$(CONFIG_RFKILL)		+= rfkill.o
++obj-$(CONFIG_RFKILL_FULL)	+= rfkill.o
+ obj-$(CONFIG_RFKILL_REGULATOR)	+= rfkill-regulator.o
+ obj-$(CONFIG_RFKILL_GPIO)	+= rfkill-gpio.o
+-- 
+2.11.0
+