v0.92-988/non-regression.sh: use uname -m vs. uname -p or arch
v0.92-988/non-regression.sh: use uname -m vs. uname -p or arch

uname -p is not portable and returns unknown on Alpine and others

arch is deprecated in linux-utils and coreutils does not install it by default.

https://git.kernel.org/cgit/utils/util-linux/util-linux.git/commit/?id=27abd8094845b4b2002a8ed5c3dd212999902c8f
http://www.gnu.org/software/coreutils/manual/html_node/arch-invocation.html#arch-invocation

Signed-off-by: John Coyle <041e4f137e6118fa522bf17ce611874c00389a69@gmail.com>

ceph/ceph-erasure-code-corpus