RELEASE-4.10.0-xt0.6.final: public/memory: Shift XENMEM_p2m_lookup hypercall number

In order to not cross with nearest future changes in the upstream XEN interface,
shift our specific hypercall number towards the end of XENMEM hypercall numbers
range.

Signed-off-by: Andrii Anisov <andrii_anisov@epam.com>

Release for gen3-test v3

ipmmu-vmsa: Add CONFIG_RCAR_IPMMU_PGT_IS_SHARED

Make it possible to configure Xen/IPMMU shared page tables for
Renesas R-Car's H3 v3.0 and M3N boards which have the IPMMU that
does handle stage 2 translation table format and as the result
is able to share P2M with the CPU.

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Suggested-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Reviewed-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Reviewed-by: Andrii Anisov <andrii_anisov@epam.com>