ppc4xx: alpr: Remove some not needed commands to make image fit again

The latest changes increased the size of the alpr image a bit more.
Now it doesn't fit into the 256k reserved for it. This patch now removes
the commands "ping" and "diag" which are not needed in the production
systems.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Pieter Voorthuijsen <pieter.voorthuijsen@prodrive.nl>

include/configs/alpr.h

@@ -232,7 +232,6 @@
 #include <config_cmd_default.h>
 
 #define CONFIG_CMD_DHCP
-#define CONFIG_CMD_DIAG
 #define CONFIG_CMD_EEPROM
 #define CONFIG_CMD_FPGA
 #define CONFIG_CMD_I2C
@@ -240,7 +239,6 @@
 #define CONFIG_CMD_NAND
 #define CONFIG_CMD_NET
 #define CONFIG_CMD_PCI
-#define CONFIG_CMD_PING
 #undef CONFIG_CMD_NFS
 
 #undef CONFIG_WATCHDOG			/* watchdog disabled		*/