x86/ima: add missing include

As reported by 0-DAY kernel test infrastructure:
   arch/x86//kernel/ima_arch.c: In function 'arch_get_ima_policy':
>> arch/x86//kernel/ima_arch.c:78:4: error: implicit declaration of
function 'set_module_sig_enforced' [-Werror=implicit-function-declaration]

Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/x86/kernel/ima_arch.c b/arch/x86/kernel/ima_arch.c
index 3fb9847f1cad..85de790583f9 100644
--- a/arch/x86/kernel/ima_arch.c
+++ b/arch/x86/kernel/ima_arch.c
@@ -3,6 +3,7 @@
  * Copyright (C) 2018 IBM Corporation
  */
 #include <linux/efi.h>
+#include <linux/module.h>
 #include <linux/ima.h>
 
 extern struct boot_params boot_params;