The code is encoding host compiler parameters into target builds. Avoid
this for our target builds. This should resolve builds which aren't
reproducible between hosts with different compilers.
(From OE-Core rev: 71cdbf426e46e3ca1b5038f40e9f7ba958abc537)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
