build system: use od -b instead of od -t x1

od -t is not available in non-CONFIG_DESKTOPed busybox od

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

scripts/mkconfigs

@@ -65,11 +65,11 @@ static const char bbconfig_config_bz2[] ALIGN1 = {"
 
 grep -e '^# CONFIG_' -e '^CONFIG_' "$config" \
 | bzip2 -1 | dd bs=2 skip=1 2>/dev/null \
-| od -v -t x1 \
+| od -v -b \
 | sed -e 's/^[^ ]*//' \
         -e 's/ //g' \
         -e '/^$/d' \
-        -e 's/\(..\)/0x\1,/g'
+        -e 's/\(...\)/0\1,/g'
 
 echo "};"
 echo "#endif"