ANDROID: KVM: arm64: Pass addr to get_page_state() helper

We will soon need to fetch part of the page state outside of invalid
PTE entries, so provide the input address to the get_page_state()
helper.

Bug: 264070847
Change-Id: I02e0c7538a15cad8e63591bfab67c6de125631fe
Signed-off-by: Quentin Perret <qperret@google.com>
Bug: 279739439
[willdeacon@: Dropped hunks modifying non-existent code]
Signed-off-by: Will Deacon <willdeacon@google.com>