linux-user: Fix comment typo in arm cpu_loop code

Fix a typo in a comment in the arm cpu_loop code.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20220114182535.3804783-1-peter.maydell@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

linux-user/arm/cpu_loop.c

@@ -434,8 +434,8 @@ void cpu_loop(CPUARMState *env)
             case 0x6: /* Access flag fault, level 2 */
             case 0x9: /* Domain fault, level 1 */
             case 0xb: /* Domain fault, level 2 */
-            case 0xd: /* Permision fault, level 1 */
-            case 0xf: /* Permision fault, level 2 */
+            case 0xd: /* Permission fault, level 1 */
+            case 0xf: /* Permission fault, level 2 */
                 si_signo = TARGET_SIGSEGV;
                 si_code = TARGET_SEGV_ACCERR;
                 break;