Patch to allow targets to prevent inlining

[Nick Clifton]

Hi Richard,

: > There was a discussion of naked functions a while back and rth made a 
: > strong case that we should not support them.  Check the archives.
: 
: http://gcc.gnu.org/ml/gcc/1999-06n/msg00010.html
: 
: So, Nick, why exactly are we adding naked functions at all 
: to *any* target?  

Actually I don't know.  What I do know is that some of our (ARM and
MCore) customers have requested this feature.  I will ping them and
see what they have to say.

Cheers
	Nick