powerpc/mpc85xx: Remove P1023 RDS support

[Scott Wood]

On Fri, Apr 18, 2014 at 12:18:00PM -0500, Lijun Pan wrote:
> P1023RDS is no longer supported by Freescale while P1023RDB is still supported.

Please wrap changelogs at no more than 75 columns.

> Signed-off-by: Lijun Pan <Lijun.Pan at freescale.com>
> 
> ---
> arch/powerpc/boot/dts/p1023rds.dts                 | 219 ---------------------
>  arch/powerpc/configs/mpc85xx_defconfig             |   1 -
>  arch/powerpc/configs/mpc85xx_smp_defconfig         |   1 -
>  arch/powerpc/platforms/85xx/Kconfig                |   6 +-
>  arch/powerpc/platforms/85xx/Makefile               |   2 +-
>  .../platforms/85xx/{p1023_rds.c => p1023_rdb.c}    |  36 +---
>  6 files changed, 10 insertions(+), 255 deletions(-)
>  delete mode 100644 arch/powerpc/boot/dts/p1023rds.dts
>  rename arch/powerpc/platforms/85xx/{p1023_rds.c => p1023_rdb.c} (75%)

As discussed internally, I'd like to see more of an explanation for why
it should be removed upstream -- what sort of maintenance burden it's
causing, or why this board should be considered of so little interest to
users that we should remove it regardless of current maintenance burden.

-Scott