ACPICA: iASL: Enhance error detection

Enhance error detection by validating that all name_seg elements
within a name_path actually exist. The previous behavior was spotty
at best, and such errors could be improperly ignored at compile
time (never at runtime, however). There are two new error messages.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/acpi/acpica/psobject.c

@@ -600,8 +600,7 @@ acpi_ps_complete_op(struct acpi_walk_state *walk_state,
 			 * because there could be correct AML beyond the parts that caused
 			 * the runtime error.
 			 */
-			ACPI_ERROR((AE_INFO,
-				    "Ignore error and continue table load"));
+			ACPI_INFO(("Ignoring error and continuing table load"));
 			return_ACPI_STATUS(AE_OK);
 		}
 		return_ACPI_STATUS(status);