hg: jdk8u/jdk8u-dev/hotspot: 8265666: Enable AIX build platform to make external debug symbols

[sgehwolf at redhat.com]

Changeset: 362d99aef38e
Author:    aleonard
Date:      2021-05-12 11:32 +0100
URL:       https://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot/rev/362d99aef38e

8265666: Enable AIX build platform to make external debug symbols
Reviewed-by: phh

! make/aix/makefiles/defs.make
! make/aix/makefiles/jsig.make
! make/aix/makefiles/saproc.make
! make/aix/makefiles/vm.make