xtfpga: enable hush parser

Remove CONFIG_BOOT_RETRY_TIME as it doesn't do much good and enable
CONFIG_HUSH_PARSER in xtfpga_defconfig.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
diff --git a/configs/xtfpga_defconfig b/configs/xtfpga_defconfig
index 4f77e23..759b4a5 100644
--- a/configs/xtfpga_defconfig
+++ b/configs/xtfpga_defconfig
@@ -3,6 +3,7 @@
 CONFIG_XTFPGA_KC705=y
 CONFIG_BOOTDELAY=10
 CONFIG_VERSION_VARIABLE=y
+CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="U-Boot> "
 CONFIG_AUTOBOOT_KEYED=y
 CONFIG_AUTOBOOT_PROMPT="Autobooting in %d seconds, press <SPACE> to stop\n"