mpc512x: use common code for CSx configuration

Remove CSx configurations from board code and only define
required CSx macros in the board config file to configure
chip select windows and parameters.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Cc: Reinhard Arlt <reinhard.arlt@esd-electronics.com>
Cc: Wolfgang Denk <wd@denx.de>
diff --git a/include/configs/aria.h b/include/configs/aria.h
index 0b31c50..6b6e400 100644
--- a/include/configs/aria.h
+++ b/include/configs/aria.h
@@ -266,11 +266,16 @@
 #define CONFIG_SYS_ARIA_SRAM_BASE	(CONFIG_SYS_SRAM_BASE + \
 					 CONFIG_SYS_SRAM_SIZE)
 #define CONFIG_SYS_ARIA_SRAM_SIZE	0x00100000	/* reserve 1MB-window */
+#define CONFIG_SYS_CS6_START		CONFIG_SYS_ARIA_SRAM_BASE
+#define CONFIG_SYS_CS6_SIZE		CONFIG_SYS_ARIA_SRAM_SIZE
 
 #define CONFIG_SYS_ARIA_FPGA_BASE	(CONFIG_SYS_ARIA_SRAM_BASE + \
 					 CONFIG_SYS_ARIA_SRAM_SIZE)
 #define CONFIG_SYS_ARIA_FPGA_SIZE	0x20000		/* 128 KB */
 
+#define CONFIG_SYS_CS2_START		CONFIG_SYS_ARIA_FPGA_BASE
+#define CONFIG_SYS_CS2_SIZE		CONFIG_SYS_ARIA_FPGA_SIZE
+
 #define CONFIG_SYS_CS0_CFG		0x05059150
 #define CONFIG_SYS_CS2_CFG		(	(5 << 24) | \
 						(5 << 16) | \