Build Arm NN 21.05 against the ACL 21.05 Development branch containing the int8 performance fixes

!ComputeLibrary:5907

Change-Id: I10349059beacd4d064d1de9998f4384864c6e8a7
Signed-off-by: Jim Flynn <jim.flynn@arm.com>
diff --git a/scripts/get_compute_library.sh b/scripts/get_compute_library.sh
index f411d22..2d5c79d 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_05" # Release 21.05
+DEFAULT_CLFRAMEWORKREVISION="dev/21_05_int8_optim" # the 21.05 ACL development branch with the int8 performance fixes
 #
 # For pinning to a revision use this:
 #DEFAULT_CLFRAMEWORKREVISION="1fac03717dab014fd202ea85a8f05b3dd475cb3c" #Fix bug on CLReductionOperation