[POWERPC] Update cell_defconfig
This adds defaults for new configuration options added since
2.6.18 and it enables the option for 64kb pages by default.
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 68272047 86767277