UIO: arch/arm/Kconfig: Make UIO available on ARM architecture

Source drivers/uio/Kconfig to make UIO available in menuconfig if ARCH=arm.

Signed-off-by: Hans J Koch <hjk@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 4039a13..1165a8f 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1174,6 +1174,8 @@
 
 source "drivers/dca/Kconfig"
 
+source "drivers/uio/Kconfig"
+
 endmenu
 
 source "fs/Kconfig"