Update README.* to reference new CONFIG_CMD_* names now.

Signed-off-by: Jon Loeliger <jdl@freescale.com>

doc/README.SNTP

-To use SNTP support, add a define CFG_CMD_SNTP to CONFIG_COMMANDS in
-the configuration file of the board.
+To use SNTP support, add define CONFIG_CMD_SNTP to the
+configuration file of the board.
 
 The "sntp" command gets network time from NTP time server and
 syncronize RTC of the board. This command needs the command line

doc/README.bedbug

@@ -31,9 +31,6 @@ can be easily implemented.
 	if it is an illegal instruction, privileged instruction or
 	a trap. Also added debug trap handler.
 
-./include/config_WALNUT405.h
-	Added CFG_CMD_BEDBUG to the CONFIG_COMMANDS for the WALNUT.
-
 ./include/ppc_asm.tmpl
 	Added code to handle critical exceptions
 
@@ -75,10 +72,6 @@ Changes:
 	cpu/mpc8xx/traps.c
 		Added new routine DebugException()
 
-	include/config_MBX.h
-		Added CFG_CMD_BEDBUG to CONFIG_COMMANDS define
-
-
 New Files:
 
 	cpu/mpc8xx/bedbug_860.c

doc/README.nand

@@ -93,8 +93,8 @@ Commands:
 
 Configuration Options:
 
-   CFG_CMD_NAND
-      A good one to add to CONFIG_COMMANDS since it enables NAND support.
+   CONFIG_CMD_NAND
+      Enables NAND support and commmands.
 
    CONFIG_MTD_NAND_ECC_JFFS2
       Define this if you want the Error Correction Code information in