RISC-V boards: Remove PAGETABLES section from memlayout.ld

RISC-V doesn't set up page tables anymore, since commit b26759d703
("arch/riscv: Don't set up virtual memory").

Change-Id: Id1e759b63fb0bc88ab256994d3849d16814affa0
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-on: https://review.coreboot.org/25701
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
4 files changed