Build Arm NN 21.02 against the ACL 21.02 Development branch containing the int8 performance fixes

!ComputeLibrary:5906

Change-Id: I1c51db67405fa6a07211196c96ca4085b0b45d12
Signed-off-by: Jim Flynn <jim.flynn@arm.com>
diff --git a/scripts/get_compute_library.sh b/scripts/get_compute_library.sh
index 977d39e..3fa25fe 100755
--- a/scripts/get_compute_library.sh
+++ b/scripts/get_compute_library.sh
@@ -7,7 +7,7 @@
 CMD=$( basename $0 )
 
 # For pinning to a ref use this:
-DEFAULT_CLFRAMEWORKREVISION="branches/arm_compute_21_02" # Release 21.02
+DEFAULT_CLFRAMEWORKREVISION="dev/21_02_int8_optim" # the 21.02 ACL development branch with the int8 performance fixes
 #
 # For pinning to a revision use this:
 #DEFAULT_CLFRAMEWORKREVISION="8958167c8d609566a40c9e618158ebcbdcd3e3bb" #Building android-nn-driver failed