Kalama does not require SWIOTLB usage for bounce buffers. Setting
swiotlb=0 does prevent memory from being used for bounce buffers, but it
still does not prevent allocation of SWIOTLB data structures which will
not be used.
Set swiotlb=noforce to completely disable SWIOTLB usage for Kalama.
Change-Id: I1747f7f094d584797ca1efedd1fe443139451cdf