hikey: Update kernel to 4.9.48, 4.4.87 and 3.18.70 and enable watchdog support

Kernel 4.9:
0dcd85b82f3d Merge remote-tracking branch 'common/android-4.9' into android-hikey-linaro-4.9-aosp
7a3eaee3606c hikey_defconfig: Enable CONFIG_ARM64_SW_TTBR0_PAN
a38d50b8a8e8 hikey_defconfig: drop CONFIG_ION_OF
9983305173b5 ANDROID: configs: require SYNC_FILE
85e1c0178a10 Merge 4.9.48 into android-4.9
8a697a50c090 Linux 4.9.48
d325f1f1e245 epoll: fix race between ep_poll_callback(POLLFREE) and ep_free()/ep_remove()

Kernel 4.4:
709c6a39e6a3 Merge remote-tracking branch 'common/android-4.4' into android-hikey-linaro-4.4-aosp
1e07bd20e422 ANDROID: Use sk_uid to replace uid get from socket file
5ce41fd1a024 ANDROID: nf: xt_qtaguid: fix handling for cases where tunnels are used.
f238ef77588e Revert "ANDROID: Use sk_uid to replace uid get from socket file"
3479acf11d42 ANDROID: fiq_debugger: Fix minor bug in code
a8935c98cf97 Merge 4.4.87 into android-4.4
573b59e17e37 Linux 4.4.87
d95827490c39 crypto: algif_skcipher - only call put_page on referenced and used pages
ab3ee6b53d67 epoll: fix race between ep_poll_callback(POLLFREE) and ep_free()/ep_remove()

Kernel 3.18:
c81190f5654 Merge remote-tracking branch 'common/android-3.18' into android-hikey-linaro-3.18-aosp
f43b43703d2d ANDROID: Use sk_uid to replace uid get from socket file
d9dca83c82f0 ANDROID: nf: xt_qtaguid: fix handling for cases where tunnels are used.
1b14813f86ba Revert "ANDROID: Use sk_uid to replace uid get from socket file"
b5cd4c38ab83 hikey_defconfig: Add IP6_NF_MATCH_RPFILTER to fix USB tethering
01efb505ca4c ANDROID: fiq_debugger: Fix minor bug in code
ba8a31bdc3b2 Merge 3.18.70 into android-3.18
1e0d28757977 Linux 3.18.70
c54625c865fe epoll: fix race between ep_poll_callback(POLLFREE) and ep_free()/ep_remove()

Bug: 65115265
Test: Manual

Change-Id: Ie9fc0c17911d943c5ef8cc28f2dbad753b237ff4
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
6 files changed