bblayers: fix build errors

remove duplicate meta-filesystems, remove unneeded meta-aarch64 and add
missing meta-96boards in layers config

Fixes: 89b1ab2("default.xml: add dependant layer 96boards")
Signed-off-by: Ilias Apalodimas <[email protected]>

Author: apalos

conf/bblayers.conf

@@ -34,7 +34,6 @@ BSPLAYERS ?= " \
 EXTRALAYERS ?= " \
   ${OEROOT}/layers/meta-linaro/meta-linaro \
   ${OEROOT}/layers/meta-linaro/meta-linaro-toolchain \
-  ${OEROOT}/layers/meta-linaro/meta-aarch64 \
   ${OEROOT}/layers/meta-linaro/meta-optee \
   ${OEROOT}/layers/meta-updater/ \
   ${OEROOT}/layers/meta-selinux/ \
@@ -46,7 +45,7 @@ EXTRALAYERS ?= " \
   ${OEROOT}/layers/meta-cloud-services/meta-openstack \
   ${OEROOT}/layers/meta-security/meta-tpm \
   ${OEROOT}/layers/meta-openembedded/meta-perl \
-  ${OEROOT}/layers/meta-openembedded/meta-filesystems \
+  ${OEROOT}/layers/meta-96boards \
 "
 
 BBLAYERS = " \