hg: jdk10/sandbox: 2 new changesets

[erik.joelsson at oracle.com]

Changeset: 6a0df5a50d50
Author:    erikj
Date:      2017-03-21 11:01 +0100
URL:       http://hg.openjdk.java.net/jdk10/sandbox/rev/6a0df5a50d50

Initial change for erikj-newdevkits-branch


Changeset: e4a8c88f55f9
Author:    erikj
Date:      2017-03-24 12:32 +0100
URL:       http://hg.openjdk.java.net/jdk10/sandbox/rev/e4a8c88f55f9

Add support for gcc 6.3.0 and cross compiling to sparc

! make/devkit/Makefile
! make/devkit/Tools.gmk