powerpc: P1010RDB: Remove macros CONFIG_P1010RDB_PA and CONFIG_P1010RDB_PB

Remove CONFIG_P1010RDB_PA and CONFIG_P1010RDB_PB and split TARGET_P1010RDB
to TARGET_P1010RDB_PA and TARGET_P1010RDB_PB in Kconfig.

Signed-off-by: York Sun <york.sun@nxp.com>
34 files changed