target-tricore: Fix check which was always false

With a mask value of 0x00400000, the result will never be 1.
This fixes a Coverity warning.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

target-tricore/op_helper.c

diff --git a/target-tricore/op_helper.c b/target-tricore/op_helper.c
index 220ec4a..9907e07 100644
--- a/target-tricore/op_helper.c
+++ b/target-tricore/op_helper.c
@@ -2573,7 +2573,7 @@
         /* CSU trap */
     }
     /* if (PCXI.UL == 1) then trap(CTYP); */
-    if ((env->PCXI & MASK_PCXI_UL) == 1) {
+    if ((env->PCXI & MASK_PCXI_UL) != 0) {
         /* CTYP trap */
     }
     /* EA = {PCXI.PCXS, 6'b0, PCXI.PCXO, 6'b0}; */