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/ls2080aqds_SECURE_BOOT_defconfig b/configs/ls2080aqds_SECURE_BOOT_defconfig
index 408d1ee..961262e 100644
--- a/configs/ls2080aqds_SECURE_BOOT_defconfig
+++ b/configs/ls2080aqds_SECURE_BOOT_defconfig
@@ -9,6 +9,7 @@
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_OF_STDOUT_VIA_ALIAS=y
 CONFIG_SYS_EXTRA_OPTIONS="SYS_FSL_DDR4, LS2080A, SECURE_BOOT"
+CONFIG_HUSH_PARSER=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_OF_CONTROL=y
 CONFIG_NET_RANDOM_ETHADDR=y