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it is superseded by upstream commit 297c7cc4b5651b174a62925b6c961085f04979fd.
Remove pending/650-pppoe_header_pad.patch, it is superseded by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>

include/kernel-version.mk

@@ -4,12 +4,12 @@ LINUX_RELEASE?=1
 
 LINUX_VERSION-3.18 = .71
 LINUX_VERSION-4.4 = .112
-LINUX_VERSION-4.9 = .77
+LINUX_VERSION-4.9 = .82
 LINUX_VERSION-4.14 = .20
 
 LINUX_KERNEL_HASH-3.18.71 = 5abc9778ad44ce02ed6c8ab52ece8a21c6d20d21f6ed8a19287b4a38a50c1240
 LINUX_KERNEL_HASH-4.4.112 = 544b42cbeed022896115c76a18fc97b4507d5b41d7ac0ce1dce9afd6ffd11ecd
-LINUX_KERNEL_HASH-4.9.77 = 7c29bc3fb96f1e23d98f664e786dddd53a1599f56431b9b7fdfba402a4b3705c
+LINUX_KERNEL_HASH-4.9.82 = 4b710b2701daafeb8e4db4c06f0ed3e62a6d20d6213a4927769c89ae42a9b180
 LINUX_KERNEL_HASH-4.14.20 = 4ab7f42aa6af9c1e3b00cba6b1fa305a87407666aaa2fae555f7fbdaafb6d292
 
 remove_uri_prefix=$(subst git://,,$(subst http://,,$(subst https://,,$(1))))