Drop planetcore_set_serial_speed() which had no users since its
inception in commit fec60470 ("[POWERPC] bootwrapper: Add PlanetCore
firmware support") in 2007.
Signed-off-by: NArseny Solokha <asolokha@kb.kras.ru>
Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>

This is a library that board code can use to extract information from the
PlanetCore configuration keys.  PlanetCore is used on various boards from
Embedded Planet.
Signed-off-by: NScott Wood <scottwood@freescale.com>
Acked-by: NDavid Gibson <david@gibson.dropbear.id.au>
Signed-off-by: NPaul Mackerras <paulus@samba.org>