r600g: enable GLSL 1.30 for r600 class
r600g: enable GLSL 1.30 for r600 class

Full piglit run on my rv610 with no regressions.

This only leaves cayman, however my cayman is resisting my attempt
to get through a full piglit run.

Signed-off-by: Dave Airlie <f2295d84e358395675bc8031be58672073ae065e@redhat.com>

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