FROMLIST: gunyah: rsc_mgr: Add platform ops on mem_lend/mem_reclaim

On Qualcomm platforms, there is a firmware entity which controls access
to physical pages. In order to share memory with another VM, this entity
needs to be informed that the guest VM should have access to the memory.

Bug: 338347082
Link: https://lore.kernel.org/all/20240222-gunyah-v17-21-1e9da6763d38@quicinc.com/


Change-Id: If56960856b5e4f3ca906a6171d0f50aea978c57e
Co-developed-by: Prakruthi Deepak Heragu <quic_pheragu@quicinc.com>
Signed-off-by: Prakruthi Deepak Heragu <quic_pheragu@quicinc.com>
Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>