multiboot-x86: pass ACPI reserved memory information in memory map

Use the appropriate types for ACPI reclaim and ACPI NVS
ranges in the multiboot memory map.

This allows the kernel to locate ACPI tables on UEFI
systems without having a explicit pointer to the RSD.

Signed-off-by: Friedemann Gerold <cinap_lenrek@felloff.net>
Signed-off-by: Simon Horman <horms@verge.net.au>