sw:vec_iree: Use vze32x to define elen max

Per LLVM RISCV contributor discussion, the flag
-riscv-v-fixed-length-vector-elen-max will be retired and use vze32x to
define the maximum element length.

Change-Id: Id495dbb5b90d7128056679938d01c57e946aafa5
3 files changed
tree: f61e393b7c78a2254a4c6d4980ec14909f8d1c85
  1. build_tools/
  2. cmake/
  3. native_log/
  4. samples/
  5. CMakeLists.txt
  6. springbok_config.h