cortex_a: Add Cortex-A5 identification

Add Cortex-A5 identification to ROM-table display, and also
to cortex_a_init_debug_access. This change is mostly cosmetic.

Change-Id: I7b1dd8755d70d45eb5f315aa1918d44a813b3cdf
Signed-off-by: Olivier Schonken <olivier.schonken@gmail.com>
Reviewed-on: http://openocd.zylin.com/2483
Tested-by: jenkins
Reviewed-by: Paul Fertser <fercerpav@gmail.com>

src/target/arm_adi_v5.c

@@ -1331,6 +1331,14 @@ static int dap_rom_display(struct command_context *cmd_ctx,
 				type = "Cortex-M4 TPUI";
 				full = "(Trace Port Interface Unit)";
 				break;
+			case 0x9a5:
+				type = "Cortex-A5 ETM";
+				full = "(Embedded Trace)";
+				break;
+			case 0xc05:
+				type = "Cortex-A5 Debug";
+				full = "(Debug Unit)";
+				break;
 			case 0xc08:
 				type = "Cortex-A8 Debug";
 				full = "(Debug Unit)";