* bb: static build for ability of shared libs upgrade&fixing
also: uprise system stability on brokken shared libs
+ extra uClib shared lib options

Signed-off-by: Dmitry Ponyatov <ponyatov@toshka.local>
+ rcS: ldconfig call
* gz: unused
* rcS: mdev start
* ldconfig startup
* ldconfig @ build host
* inittab works (rcS/rcD/ttys)
+ bb: mkfifo clear which dmesg(!)

Signed-off-by: Dmitry Ponyatov <ponyatov@toshka.local>