diff --git a/[refs] b/[refs]
index d29f621c8360..ef27a32fdd5f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 31ff2f20d9003e74991d135f56e503fe776c127c
+refs/heads/master: f6ce5002629e08eaa777ced3872a98f76845143e
diff --git a/trunk/arch/x86/Kconfig b/trunk/arch/x86/Kconfig
index a4f24f5b1218..01af8535f58e 100644
--- a/trunk/arch/x86/Kconfig
+++ b/trunk/arch/x86/Kconfig
@@ -1549,6 +1549,7 @@ config X86_SMAP
 config EFI
 	bool "EFI runtime service support"
 	depends on ACPI
+	select UCS2_STRING
 	---help---
 	  This enables the kernel to use EFI runtime services that are
 	  available (such as the EFI variable services).