testing/tests/package/test_openjdk.py: bump kernel version to 5.10.34

Kernel 4.16.7 is old enough to produce the "multiple definition of `yylloc'"
error which is fixed in newer versions.

Bump the test kernel version from 4.16.7 to 5.10.34 to prevent this error wwhen
building the test image.

Signed-off-by: Adam Duskett <aduskett@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

support/testing/tests/package/test_openjdk.py

@@ -12,7 +12,7 @@ class TestOpenJdk(infra.basetest.BRTest):
         BR2_TARGET_GENERIC_GETTY_PORT="ttyAMA0"
         BR2_LINUX_KERNEL=y
         BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-        BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.16.7"
+        BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.10.34"
         BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
         BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/qemu/aarch64-virt/linux.config"
         BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y