hg: jdk/sandbox: 8231841: AArch64: debug.cpp help() is missing an AArch64 line for pns

[chris.hegarty at oracle.com]

Changeset: dc1899bb84c0
Author:    smonteith
Date:      2019-11-13 17:24 +0800
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/dc1899bb84c0

8231841: AArch64: debug.cpp help() is missing an AArch64 line for pns
Summary: Adds missing line for aarch64 to debug.cpp help() for pns
Reviewed-by: adinn
Contributed-by: alan.hayward at arm.com

! src/hotspot/share/utilities/debug.cpp