Add nextthing boards

add chip, chippro and pocketchip

board/nextthing/chip/overlay/etc/init.d/S10modules

@@ -0,0 +1,21 @@
+#!/bin/sh
+
+MODPROBE=/sbin/modprobe
+
+echo -n "Probing modules: "
+if [ ! -x "${MODPROBE}" -o ! -f "/etc/modules" ]; then
+  echo "missing"
+  exit 1
+else
+  echo
+fi
+
+grep '^[^#]' "/etc/modules" | \
+while read module args; do
+  [ "$module" ] || continue
+  if ${MODPROBE} $module $args; then
+    echo "  $module loaded"
+  else
+    echo "  $module failed"
+  fi
+done   

board/nextthing/chip/overlay/etc/init.d/S20alsa

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+alsactl restore