configs: Re-sync almost all of cmd/Kconfig

This syncs up the current cmd/Kconfig and include/configs/ files with the
only exception being CMD_NAND.  Due to how we have used this historically
we need to take further care here when converting.

Signed-off-by: Tom Rini <trini@konsulko.com>

arch/arm/include/asm/arch-bcmcygnus/configs.h

@@ -30,7 +30,6 @@
 #define CONFIG_PHY_BROADCOM
 #define CONFIG_PHY_RESET_DELAY 10000 /* PHY reset delay in us*/
 
-#define CONFIG_CMD_PING
 #define CONFIG_CMD_MII
 
 #endif /* __ARCH_CONFIGS_H */

arch/blackfin/include/asm/config.h

@@ -138,9 +138,6 @@
 #ifndef CONFIG_SYS_BOOTM_LEN
 # define CONFIG_SYS_BOOTM_LEN 0x4000000
 #endif
-#ifndef CONFIG_SYS_PROMPT
-# define CONFIG_SYS_PROMPT "bfin> "
-#endif
 #ifndef CONFIG_SYS_CBSIZE
 # define CONFIG_SYS_CBSIZE 1024
 #elif defined(CONFIG_CMD_KGDB) && CONFIG_SYS_CBSIZE < 1024