Update ACL pin to cf87f509fc23d02c56569f794a3fb59e1b8be277
Update ACL pin to cf87f509fc23d02c56569f794a3fb59e1b8be277

Signed-off-by: Nikhil Raj <70dde441576cd8b053dd4c3a595f3f0b9c7a63a3@arm.com>
Change-Id: I20b69cc042ae5828584b2ecfd2f9694021d7693c

ARM-software/armnn,ARM-software/armnn,ARM-software/armnn