refactor(cpus): convert the Cortex-A5 to use the errata framework

Signed-off-by: Boyan Karatotev <boyan.karatotev@arm.com>
Change-Id: I8214fdff2c528ccfa64a366ee1f3bc04d52a0bf8

lib/cpus/aarch32/cortex_a5.S

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2023, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -69,14 +69,7 @@ func cortex_a5_cluster_pwr_dwn
 	b	cortex_a5_disable_smp
 endfunc cortex_a5_cluster_pwr_dwn
 
-#if REPORT_ERRATA
+errata_report_shim cortex_a5
-/*
- * Errata printing function for Cortex-A5. Must follow AAPCS.
- */
-func cortex_a5_errata_report
-	bx	lr
-endfunc cortex_a5_errata_report
-#endif
 
 declare_cpu_ops cortex_a5, CORTEX_A5_MIDR, \
 	cortex_a5_reset_func, \