hikey-kernel: Add hikey960 android-5.10 kernel and modules

This is from the android13-5.10 branch.

The hikey960 kernel modules updated from:
 https://ci.android.com/builds/submitted/9668756/kernel_hikey960/latest

Updated GKI kernel image from:
 https://ci.android.com/builds/submitted/9668756/kernel_aarch64/latest

update-prebuilts.sh is used to download the files,
and to create the Image.gz-dtb file with the GKI kernel

Test: booted to the homesceen

Change-Id: I3aa50a44486cfc2c3ce37cb142f7bf8484b34047
Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>
diff --git a/hikey960/5.10/abi.prop b/hikey960/5.10/abi.prop
new file mode 100644
index 0000000..aad105b
--- /dev/null
+++ b/hikey960/5.10/abi.prop
@@ -0,0 +1,2 @@
+KMI_SYMBOL_LIST=abi_symbollist
+KERNEL_BINARY=vmlinux