util/tgsi: Fix ureg_EMIT/ENDPRIM prototype.

0cbefc1bea added a source argument to
EMIT/ENDPRIM, but it did not update tgsi_ureg accordingly, causing all
users of ureg_EMIT/ENDPRIM to fail at runtime with an assertion failure.

Trivial.

src/gallium/auxiliary/tgsi/tgsi_opcode_tmp.h

@@ -146,8 +146,8 @@ OP13(SAD)
 OP12_TEX(TXF)
 OP12_TEX(TXQ)
 OP00(CONT)
-OP00(EMIT)
-OP00(ENDPRIM)
+OP01(EMIT)
+OP01(ENDPRIM)
 OP00_LBL(BGNLOOP)
 OP00(BGNSUB)
 OP00_LBL(ENDLOOP)