update prebuilt kernel
Change-Id: I15101fc451385d24cb4cc6fdf1b938a401669055
source: https://github.com/mt8127/android_kernel_alcatel_ttab/commit/
d97274d81f494b7f68593e7a12d869850aec6a31
update prebuilt kernel
Change-Id: I4bd163960ac027194cc54d41e9777c7db1f6946a
source: https://github.com/mt8127/android_kernel_alcatel_ttab/commit/
979dc3df78748821abf1248b971226704f5c50ac