configs: Re-sync HUSH options

Move all cases of CONFIG_SYS_HUSH_PARSER out of the config.h files.  Remove
all cases of CONFIG_SYS_PROMPT_HUSH_PS2 as everyone uses the default.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/k2hk_evm_defconfig b/configs/k2hk_evm_defconfig
index 1627065..a5bd073 100644
--- a/configs/k2hk_evm_defconfig
+++ b/configs/k2hk_evm_defconfig
@@ -5,15 +5,16 @@
 CONFIG_DEFAULT_DEVICE_TREE="k2hk-evm"
 CONFIG_SPL=y
 CONFIG_OF_BOARD_SETUP=y
+CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="K2HK EVM # "
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
+CONFIG_CMD_NAND=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_OF_CONTROL=y
 CONFIG_DM=y
+CONFIG_TI_AEMIF=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_DM_ETH=y
 CONFIG_SYS_NS16550=y
-CONFIG_TI_AEMIF=y
-CONFIG_CMD_NAND=y