[U-Boot] [PATCH] sh: only add -mno-fdpic if the compiler supports it

[phil.edworthy at renesas.com]

Hi Mike,

Mike Frysinger wrote on 13/10/2011 05:45:47:
> Not all SuperH toolchains support -mno-fdpic.  Chances are good that if
> the flag doesn't work, it isn't defaulting to the FDPIC ABI, so the flag
> isn't needed.  So only add it if it is actually supported.
> 
> Signed-off-by: Mike Frysinger <vapier at gentoo.org>
> ---

Tested on SH7264 with CodeSourcery 2011.03 SH2A toolchain.

Thanks
Phil