feat(el3-spmc): update FFA_MEM_PERM_GET interface

Update FFA_MEM_PERM_GET interface
according to FF-A v1.3 memory management protocol modification [0].
This adds one input/output parameter with page_count
to set search range and get the range having the same
permission from base_va.

This change is backward compatible with former FF-A v1.2 interface.

Links: https://developer.arm.com/documentation/den0140/latest/
Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
Change-Id: I5c9679c9da1126b1df65f22a803776029ab52b12
5 files changed