meta-variscite-fslc: Update to latest

Summary:
* Add fonts and additional demos for QT5 with DISTRO=fsl_framebuffer
* Fix Bluetooth A2DP
* Switch to imx-rel_imx_4.1.15_2.0.0_ga-var02 branch in U-boot
* Switch to latest revision of 6UL/MX7 WIFI/BT firmware
* Switch to imx-rel_imx_4.1.15_2.0.0_ga-var02 in kernel to fix occasional boot delays
* Switch to mainline wpa_supplicant to support non X11 backends
* Fix boot from SD card issue for DART-6UL

default.xml

@@ -24,6 +24,6 @@
   <project remote="freescale" revision="dd482aeb7913c099c69f82362776bd92b584553c" upstream="morty" name="meta-freescale-distro" path="sources/meta-freescale-distro"/>
   <project remote="QT5" revision="3601fd2c5306ac6d5d0d536e0be8cbb90da9b4c1" upstream="morty" name="meta-qt5" path="sources/meta-qt5"/>
   <project remote="OSSystems" revision="7d37ae2adec5cc5ea27367ce125bc7bce2310ca1" upstream="morty" name="meta-browser" path="sources/meta-browser"/>
-  <project remote="variscite" revision="7a214e7579869be810aa8992c59627ba064db076" upstream="morty" name="meta-variscite-fslc" path="sources/meta-variscite-fslc"  />
+  <project remote="variscite" revision="a3308b236370fc74de8c127b6563c6b808c2a411" upstream="morty" name="meta-variscite-fslc" path="sources/meta-variscite-fslc"  />
 
 </manifest>