git: openjdk/jdk17: 8268643: SVML lib shouldn't be generated when C2 is absent

[Jie Fu]

Changeset: 4a6da99f
Author:    Jie Fu <jiefu at openjdk.org>
Date:      2021-06-14 23:39:41 +0000
URL:       https://git.openjdk.java.net/jdk17/commit/4a6da99f28af6bdb8fbb66093ce4386623c77ae2

8268643: SVML lib shouldn't be generated when C2 is absent

Reviewed-by: erikj

! make/autoconf/jvm-features.m4
! make/autoconf/spec.gmk.in
! make/modules/jdk.incubator.vector/Lib.gmk