ARM: shmobile: koelsch: Do not disable CONFIG_{INOTIFY_USER,UNIX} in defconfig

CONFIG_INOTIFY_USER and CONFIG_UNIX are required for udev to function.
This change brings the koelsch defconfig into line with
other shmobile defconfigs.

Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>