target-tricore: fix BO_OFF10_SEXT calculating the wrong offset

The lower part of the combined offset was sign extended and could lead to
wrong results.
Signed-off-by: NBastian Koppelmann <kbastian@mail.uni-paderborn.de>

target-tricore/tricore-opcodes.h

@@ -107,7 +107,7 @@
 /* BO Format */
 #define MASK_OP_BO_OFF10(op)   (MASK_BITS_SHIFT(op, 16, 21) + \
                                (MASK_BITS_SHIFT(op, 28, 31) << 6))
-#define MASK_OP_BO_OFF10_SEXT(op)   (MASK_BITS_SHIFT_SEXT(op, 16, 21) + \
+#define MASK_OP_BO_OFF10_SEXT(op)   (MASK_BITS_SHIFT(op, 16, 21) + \
                                     (MASK_BITS_SHIFT_SEXT(op, 28, 31) << 6))
 #define MASK_OP_BO_OP2(op)     MASK_BITS_SHIFT(op, 22, 27)
 #define MASK_OP_BO_S2(op)      MASK_BITS_SHIFT(op, 12, 15)