ARM: UniPhier: drop special CONFIG_AUTOBOOT_ settings

There is no good reason to use a particular key to stop autobooting.
The default allows us to stop the autoboot with any key input.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

configs/ph1_ld4_defconfig

@@ -7,10 +7,6 @@ CONFIG_DEFAULT_DEVICE_TREE="uniphier-ph1-ld4-ref"
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y
 CONFIG_HUSH_PARSER=y
-CONFIG_AUTOBOOT_KEYED=y
-CONFIG_AUTOBOOT_PROMPT="Press SPACE to abort autoboot in %d seconds\n"
-CONFIG_AUTOBOOT_DELAY_STR="d"
-CONFIG_AUTOBOOT_STOP_STR=" "
 # CONFIG_CMD_XIMG is not set
 # CONFIG_CMD_ENV_EXISTS is not set
 CONFIG_CMD_NAND=y

configs/ph1_pro4_defconfig

@@ -6,10 +6,6 @@ CONFIG_DEFAULT_DEVICE_TREE="uniphier-ph1-pro4-ref"
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y
 CONFIG_HUSH_PARSER=y
-CONFIG_AUTOBOOT_KEYED=y
-CONFIG_AUTOBOOT_PROMPT="Press SPACE to abort autoboot in %d seconds\n"
-CONFIG_AUTOBOOT_DELAY_STR="d"
-CONFIG_AUTOBOOT_STOP_STR=" "
 # CONFIG_CMD_XIMG is not set
 # CONFIG_CMD_ENV_EXISTS is not set
 CONFIG_CMD_NAND=y

configs/ph1_sld8_defconfig

@@ -7,10 +7,6 @@ CONFIG_DEFAULT_DEVICE_TREE="uniphier-ph1-sld8-ref"
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y
 CONFIG_HUSH_PARSER=y
-CONFIG_AUTOBOOT_KEYED=y
-CONFIG_AUTOBOOT_PROMPT="Press SPACE to abort autoboot in %d seconds\n"
-CONFIG_AUTOBOOT_DELAY_STR="d"
-CONFIG_AUTOBOOT_STOP_STR=" "
 # CONFIG_CMD_XIMG is not set
 # CONFIG_CMD_ENV_EXISTS is not set
 CONFIG_CMD_NAND=y