x86, um: merge Kconfig.i386 and Kconfig.x86_64

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/um/Kconfig b/arch/um/Kconfig
index 393bccfe1785..a0801fda0be4 100644
--- a/arch/um/Kconfig
+++ b/arch/um/Kconfig
@@ -85,6 +85,10 @@ config STATIC_LINK
           Additionally, this option enables using higher memory spaces (up to
           2.75G) for UML.
 
+config SUBARCH
+        string
+        option env="SUBARCH"
+
 source "arch/um/Kconfig.arch"
 source "mm/Kconfig"
 source "kernel/time/Kconfig"