configs/qemu: bump relevant configs to kernel version 3.8.x

Problematic configurations not bumped:

arm-versatilepb - IRQ failure for symbios scsi
sh4-r2d - Qemu still doesn't emulate advanced features from the UART
sparc-ss10 - Illegal instruction

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>