UPSTREAM: arm64: Allow hw watchpoint of length 3,5,6 and 7

(cherry picked from commit 0ddb8e0b784ba034f3096d5a54684d0d73155e2a)

Since, arm64 can support all offset within a double word limit. Therefore,
now support other lengths within that range as well.

Change-Id: Iba7dfa3e07c4466976ba07d7deb8502d586aa83f
Signed-off-by: Pratyush Anand <panand@redhat.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Pavel Labath <labath@google.com>
Bug: 30919905
2 files changed