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

target-tricore/op_helper.c

@@ -2573,7 +2573,7 @@ void helper_rslcx(CPUTriCoreState *env)
         /* 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}; */