perl${PV} becomes hostperl when building for the target so we need a wrapper
on that too.
This is 1e255fbd296e95ff178d66c4a1fe4875a988d7e1 in OE.
(From OE-Core rev: 8e601cfb307bc9064a2478a87ad3097e21871ff7)
Signed-off-by: Tom Rini <tom_rini@mentor.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>