Patch out instances of Z15 in dynamic_zarch.c
Patch out instances of Z15 in dynamic_zarch.c

There does not appear to be a Z15 kernel yet, causing link errors from the code. This patch fixes the issue.
xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS