Fix corruption of CPSR when SCTLR.EE is set

Fix a typo in arm_cpu_do_interrupt_aarch32 (OR'ing with ~CPSR_E
instead of CPSR_E) which meant that when we took an interrupt with
SCTLR.EE set we would corrupt the CPSR.
Signed-off-by: NJulian Brown <julian@codesourcery.com>
Reviewed-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

target-arm/helper.c

@@ -6438,7 +6438,7 @@ static void arm_cpu_do_interrupt_aarch32(CPUState *cs)
     /* Set new mode endianness */
     env->uncached_cpsr &= ~CPSR_E;
     if (env->cp15.sctlr_el[arm_current_el(env)] & SCTLR_EE) {
-        env->uncached_cpsr |= ~CPSR_E;
+        env->uncached_cpsr |= CPSR_E;
     }
     env->daif |= mask;
     /* this is a lie, as the was no c1_sys on V4T/V5, but who cares