ppc64le: nonexistent Implies warning during configure

[Siddhesh Poyarekar]

Hi Tulio,

I don't know if y'all noticed this, but I get this with ../configure 
--prefix=/usr:

sysdeps/powerpc/powerpc64/le/power8/fpu configure: WARNING: 
sysdeps/powerpc/powerpc64/le/power8/fpu/Implies specifies nonexistent 
powerpc/powerpc64/power8/fpu
sysdeps/powerpc/powerpc64/le/power7/fpu configure: WARNING: 
sysdeps/powerpc/powerpc64/le/power7/fpu/Implies specifies nonexistent 
powerpc/powerpc64/power7/fpu
configure: WARNING: sysdeps/powerpc/powerpc64/le/power7/fpu/Implies 
specifies nonexistent powerpc/powerpc64/power6/fpu
configure: WARNING: sysdeps/powerpc/powerpc64/le/power7/fpu/Implies 
specifies nonexistent powerpc/powerpc64/power5+/fpu
configure: WARNING: sysdeps/powerpc/powerpc64/le/power7/fpu/Implies 
specifies nonexistent powerpc/powerpc64/power5/fpu
sysdeps/powerpc/powerpc64/le/fpu sysdeps/powerpc/powerpc64/fpu 
sysdeps/powerpc/powerpc64/le/power8/multiarch 
sysdeps/powerpc/powerpc64/le/power7/multiarch 
sysdeps/powerpc/powerpc64/le/multiarch 
sysdeps/powerpc/powerpc64/multiarch sysdeps/powerpc/powerpc64/le/power8 
sysdeps/powerpc/powerpc64/power8 sysdeps/powerpc/powerpc64/le/power7 
configure: WARNING: sysdeps/powerpc/powerpc64/le/power7/Implies 
specifies nonexistent powerpc/powerpc64/power6/fpu
configure: WARNING: sysdeps/powerpc/powerpc64/le/power7/Implies 
specifies nonexistent powerpc/powerpc64/power5+/fpu
configure: WARNING: sysdeps/powerpc/powerpc64/le/power7/Implies 
specifies nonexistent powerpc/powerpc64/power5+
configure: WARNING: sysdeps/powerpc/powerpc64/le/power7/Implies 
specifies nonexistent powerpc/power5+/fpu
configure: WARNING: sysdeps/powerpc/powerpc64/le/power7/Implies 
specifies nonexistent powerpc/power5+
configure: WARNING: sysdeps/powerpc/powerpc64/le/power7/Implies 
specifies nonexistent powerpc/powerpc64/power5/fpu
configure: WARNING: sysdeps/powerpc/powerpc64/le/power7/Implies 
specifies nonexistent powerpc/powerpc64/power5
configure: WARNING: sysdeps/powerpc/powerpc64/le/power7/Implies 
specifies nonexistent powerpc/power4/fpu

The build goes through OK but I thought I bring this to your notice to 
make sure that it's harmless.  It would be nice to fix it regardless of 
whether it is harmless.

Siddhesh