kernel: bump 4.9 to 4.9.82

Refresh patches.
Remove upstreamed patches:
- ar7/002-MIPS-AR7-ensure-the-port-type-s-FCR-value-is-used.patch
- backport/040-crypto-fix-typo-in-KPP-dependency-of-CRYPTO_ECDH.patch
Remove layerscape/819-Revert-dmaengine-dmatest-move-callback-wait-queue-to.patch,
it is superseded by upstream commit 297c7cc4b5651b174a62925b6c961085f04979fd.
Remove pending/650-pppoe_header_pad.patch, it is superseded by
upstream commit 1bd21b158e07e0b8c5a2ce832305a0ebfe42c480.
Update patches that no longer apply:
- ar71xx/004-register_gpio_driver_earlier.patch
- hack/204-module_strip.patch
- pending/493-ubi-set-ROOT_DEV-to-ubiblock-rootfs-if-unset.patch

Fixes CVE-2017-8824.

Compile-tested: ar71xx.
Runtime-tested: ar71xx.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

target/linux/brcm2708/patches-4.9/950-0121-ARM64-Make-it-work-again-on-4.9-1790.patch

@@ -16,8 +16,6 @@ Signed-off-by: Michael Zoran <mzoran@crowfest.net>
  4 files changed, 48 insertions(+), 111 deletions(-)
  create mode 120000 arch/arm64/boot/dts/overlays
 
-diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
-index 7d213c2c..101794f 100644
 --- a/arch/arm64/Kconfig.platforms
 +++ b/arch/arm64/Kconfig.platforms
 @@ -1,27 +1,5 @@
@@ -48,8 +46,6 @@ index 7d213c2c..101794f 100644
  config ARCH_SUNXI
  	bool "Allwinner sunxi 64-bit SoC Family"
  	select GENERIC_IRQ_CHIP
-diff --git a/arch/arm64/boot/dts/broadcom/Makefile b/arch/arm64/boot/dts/broadcom/Makefile
-index 2152448..7aa03be 100644
 --- a/arch/arm64/boot/dts/broadcom/Makefile
 +++ b/arch/arm64/boot/dts/broadcom/Makefile
 @@ -1,7 +1,15 @@
@@ -69,16 +65,6 @@ index 2152448..7aa03be 100644
  
  always		:= $(dtb-y)
  subdir-y	:= $(dts-dirs)
-diff --git a/arch/arm64/boot/dts/overlays b/arch/arm64/boot/dts/overlays
-new file mode 120000
-index 0000000..ded0864
---- /dev/null
-+++ b/arch/arm64/boot/dts/overlays
-@@ -0,0 +1 @@
-+../../../arm/boot/dts/overlays
-\ No newline at end of file
-diff --git a/arch/arm64/configs/bcmrpi3_defconfig b/arch/arm64/configs/bcmrpi3_defconfig
-index 53da5c7..c7e891d 100644
 --- a/arch/arm64/configs/bcmrpi3_defconfig
 +++ b/arch/arm64/configs/bcmrpi3_defconfig
 @@ -1,52 +1,9 @@
@@ -405,6 +391,3 @@ index 53da5c7..c7e891d 100644
  CONFIG_LIBCRC32C=y
 -CONFIG_BCM2708_VCHIQ=n
 -CONFIG_ARCH_BCM2835=y
--- 
-2.1.4
-

target/linux/brcm2708/patches-4.9/950-0182-drm-vc4-Verify-at-boot-that-CMA-doesn-t-cross-a-256M.patch

@@ -37,7 +37,7 @@ Signed-off-by: Eric Anholt <eric@anholt.net>
  #include "linux/pm_runtime.h"
  #include "vc4_drv.h"
  #include "vc4_regs.h"
-@@ -185,8 +188,23 @@ static int vc4_v3d_bind(struct device *d
+@@ -188,8 +191,23 @@ static int vc4_v3d_bind(struct device *d
  	struct drm_device *drm = dev_get_drvdata(master);
  	struct vc4_dev *vc4 = to_vc4_dev(drm);
  	struct vc4_v3d *v3d = NULL;
@@ -76,4 +76,4 @@ Signed-off-by: Eric Anholt <eric@anholt.net>
 +EXPORT_SYMBOL(cma_get_size);
  
  static unsigned long cma_bitmap_aligned_mask(const struct cma *cma,
- 					     int align_order)
+ 					     unsigned int align_order)