[MLIR][affine] Certain Call Ops to prevent fusion

Fixes a bug in affine fusion pipeline where an incorrect fusion is performed
despite a Call Op that potentially modifies memrefs under consideration
exists between source and target.

Fixes part of https://bugs.llvm.org/show_bug.cgi?id=49220

Reviewed By: bondhugula, dcaballe

Differential Revision: https://reviews.llvm.org/D97252