BACKPORT: firmware: qcom_scm: Use fixed width src vm bitmap

The maximum VMID for assign_mem is 63. Use a u64 to represent this
bitmap instead of architecture-dependent "unsigned int" which varies in
size on 32-bit and 64-bit platforms.

Acked-by: Kalle Valo <kvalo@kernel.org> (ath10k)
Tested-by: Gokul krishna Krishnakumar <quic_gokukris@quicinc.com>
Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230213181832.3489174-1-quic_eberman@quicinc.com



Bug: 279506910
(cherry picked from commit 968a26a0)
Change-Id: Ie7125d1299e4edda47f3e6e9031dc515cfdd8f0f
[eberman: Drop modifications to drivers/remoteproc/qcom_q6v5_pas.c which
don't exist in 14-6.1]
Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>