[V850] Use braced strings in MD

[Naveen H. S]

Hi,

Please find attached the patch "v850_indent.patch" that adapts V850
machine descriptions to the braced string notation. The changes makes
the "Machine Descriptor" file more easier to read. 

It is similar to the following changes in SH target.
http://gcc.gnu.org/ml/gcc-patches/2012-03/msg01315.html
        
ChangeLog

        * config/v850/v850.md: Use braced string notation where applicable.

Thanks & Regards,
Naveen

v850_indent.patch
Description: v850_indent.patch