powerpc/embedded6xx: Update defconfigs

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

diff --cc arch/powerpc/configs/c2k_defconfig
Simple merge

diff --cc arch/powerpc/configs/ep8248e_defconfig
Simple merge

diff --cc arch/powerpc/configs/linkstation_defconfig
Simple merge

diff --cc arch/powerpc/configs/mgcoge_defconfig
Simple merge

diff --cc arch/powerpc/configs/mpc7448_hpc2_defconfig
Simple merge

diff --cc arch/powerpc/configs/mpc8272_ads_defconfig
Simple merge

diff --cc arch/powerpc/configs/pq2fads_defconfig
Simple merge

diff --cc arch/powerpc/configs/prpmc2800_defconfig
Simple merge

diff --cc arch/powerpc/configs/storcenter_defconfig
Simple merge