board: cssi: Add CPU board CMPCPRO

CSSI has another CPU board, similar to the CMPC885 board
that get plugged on the two base boards MCR3000_2G and MIAE.

That CPU board is called CMPCPRO because it has a MPC8321E CPU,
also known as Power QUICC II PRO.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
diff --git a/arch/powerpc/cpu/mpc83xx/Kconfig b/arch/powerpc/cpu/mpc83xx/Kconfig
index b695c7e..582e141 100644
--- a/arch/powerpc/cpu/mpc83xx/Kconfig
+++ b/arch/powerpc/cpu/mpc83xx/Kconfig
@@ -20,6 +20,10 @@
 	prompt "Target select"
 	optional
 
+config TARGET_CMPCPRO
+	bool "Support CMPCPRO board from CSSI"
+	select ARCH_MPC832X
+
 config TARGET_MPC837XERDB
 	bool "Support MPC837XERDB"
 	select ARCH_MPC837X
@@ -205,5 +209,6 @@
 
 source "board/freescale/mpc837xerdb/Kconfig"
 source "board/gdsys/mpc8308/Kconfig"
+source "board/cssi/cmpcpro/Kconfig"
 
 endmenu