[OE-core] Recipes with disabled parallel make

[Khem Raj]

On Fri, Mar 2, 2012 at 11:48 PM, Yury Bushmelev <jay4mail at gmail.com> wrote:
>> meta/recipes-extended/net-tools/net-tools_1.60-23.bb
>
> net-tools confirmed to fail with P_M disabled when build was run with
> BB_N_T="7" and P_M="-j 7".

hmmm this is reversal of course. so I guess in order to declare them good
they should be compiled in variety of combinations.