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>
diff --git a/configs/ap_sh4a_4a_defconfig b/configs/ap_sh4a_4a_defconfig
index 51d5f9e..df7c344 100644
--- a/configs/ap_sh4a_4a_defconfig
+++ b/configs/ap_sh4a_4a_defconfig
@@ -11,10 +11,12 @@
 # CONFIG_CMD_ENV_EXISTS is not set
 # CONFIG_CMD_LOADB is not set
 # CONFIG_CMD_LOADS is not set
+CONFIG_CMD_I2C=y
 # CONFIG_CMD_FPGA is not set
 # CONFIG_CMD_ECHO is not set
 # CONFIG_CMD_ITEST is not set
 # CONFIG_CMD_SOURCE is not set
 # CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_PING=y
 # CONFIG_CMD_MISC is not set
 CONFIG_USE_PRIVATE_LIBGCC=y