freedreno/ir3: small re-order
freedreno/ir3: small re-order

Small re-order of switch statement to handled op-code categories in
order.

Signed-off-by: Rob Clark <915c10c999604870200b6defbe633d857c856ca0@gmail.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler