target-tricore: Fix PSV_AV bit calculated wrong in MUL_64 insn.

Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
target-tricore: Fix missing breaks at OPC1_32_BOL_ST_A_LONGOFF and OPC1_32_BOL_ST_W_LONGOFF insn.

Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>