zenfone8: Set BOARD_KERNEL_BINARIES for QGKI

Set BOARD_KERNEL_BINARIES for QGKI as 'kernel kernel-gki' as
an additional, GKI kernel, has to be build along with the QGKI
kernel if the defconfig is chosen as <target>-qgki_defconfig.

Change-Id: Icb6eb45c85bec9019804a61b40d666203c006e56
1 file changed