RFR: JDK-8039103 "explicitly" is misspelled as "explicitely" in configure scripts

[Tim Bell]

Magnus:

> In multiple places in the build system, "explicitly" is incorrectly
> spelled.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8039103
> WebRev:
> http://cr.openjdk.java.net/~ihse/JDK-8039103-fix-explicitly-typos/webrev.01

Looks good.

/Tim