lib: open-amp: optional copy of rsc_table to memory region

Option OPENAMP_COPY_RSC_TABLE is added for cases where the placement of the
.resource_table section is not controlled by the remote. This option lets
zephyr do the copying of the .resource_table section to a specified memory
region.

Signed-off-by: Andre Heinemans <andre.heinemans@nxp.com>