gs101: set swiotlb as noforce

As dma devices are 36bit bounded, we don't need SWIOTLB
bounce buffers. Set swiotlb=noforce to disable this and
make the minimum amount of memory allocation.

Bug: 205246642
Test: check total memory and io_tlb_nslabs
Signed-off-by: Martin Liu <liumartin@google.com>
Change-Id: If9f68b269f326f0f4b8e165593ec5dd4787fbb52
1 file changed