ANDROID: KVM: arm64: Add .hyp.data section

The hypervisor has not needed its own .data section because all globals
were either .rodata or .bss. Linked lists are initialized with the head
pointing to itself. To avoid having to work around this by initializing
at runtime, add a .hyp.data section.

Bug: 190463801
Signed-off-by: David Brazdil <dbrazdil@google.com>
Change-Id: I7a56dc4c93e05bbef53c66837164d17c6103b6b8
Signed-off-by: Quentin Perret <qperret@google.com>