buildroot

configs/p1010rdb: bump to the latest and greatest versions

Rename the defconfig to note that it's explicitly intended for the PA
kit revision since it'll likely brick a PB if the bootloader is flashed
without changing the U-Boot board name (and that it's untested in real
hardware).

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>