target/arm: Fix HCR_EL2.TGE check in arm_phys_excp_target_el

The enable for TGE has already occurred within arm_hcr_el2_amo
and friends.  Moreover, when E2H is also set, the sense is
supposed to be reversed, which has also already occurred within
the helpers.
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>
Message-id: 20181203203839.757-5-richard.henderson@linaro.org
Reviewed-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

target/arm/helper.c

@@ -6537,9 +6537,6 @@ uint32_t arm_phys_excp_target_el(CPUState *cs, uint32_t excp_idx,
         break;
     };
 
-    /* If HCR.TGE is set then HCR is treated as being 1 */
-    hcr |= ((env->cp15.hcr_el2 & HCR_TGE) == HCR_TGE);
-
     /* Perform a table-lookup for the target EL given the current state */
     target_el = target_el_table[is64][scr][rw][hcr][secure][cur_el];