Fix Install issue for Creality K1 (#78)

* Fix Install issue for Creality K1

This PR fix Pillow installation issue with Creality K1 Series.

* Update install.sh

install.sh

@@ -76,7 +76,8 @@ PKGLIST="python3 python3-pip virtualenv curl"
 # For the Creality OS, we only need to install these.
 # We don't override the default name, since that's used by the Moonraker installer
 # Note that we DON'T want to use the same name as above (not even in this comment) because some parsers might find it.
-CREALITY_DEP_LIST="python3 python3-pip"
+SONIC_PAD_DEP_LIST="python3 python3-pip"
+CREALITY_DEP_LIST="python3 python3-pillow python3-pip"
 
 
 #
@@ -212,13 +213,15 @@ install_or_update_system_dependencies()
         # On the K1, the only we thing we ensure is that virtualenv is installed via pip.
         if [[ -f /opt/bin/opkg ]]
         then
+            opkg update || true
             opkg install ${CREALITY_DEP_LIST}
         fi
         pip3 install --trusted-host pypi.python.org --trusted-host pypi.org --trusted-host=files.pythonhosted.org --no-cache-dir virtualenv
     elif [[ $IS_SONIC_PAD_OS -eq 1 ]]
     then
         # The sonic pad always has opkg installed, so we can make sure these packages are installed.
-        opkg install ${CREALITY_DEP_LIST}
+        opkg update || true
+        opkg install ${SONIC_PAD_DEP_LIST}
         pip3 install virtualenv
     else
         log_important "You might be asked for your system password - this is required to install the required system packages."