[POWERPC] spufs: remove support for ancient firmware
Any firmware that still uses the 'spc' nodes already
stopped running for other reasons, so let's get rid of this.
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
authored by Arnd Bergmann and committed by Paul Mackerras 772920e5 cdcc89bb