ACPICA: Cleanup AML opcode definitions, no functional change

ACPICA commit ec969d38fef3be95358e65f0dd071b5f2c045b6b

This change is a cleanup and further standardization of the AML
opcode defines in amlcode.h

Improves the readability and maintainability of the source code.

Link: https://github.com/acpica/acpica/commit/ec969d38
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/acpi/acpica/exnames.c

@@ -122,7 +122,7 @@ static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs)
 
 		/* Set up multi prefixes   */
 
-		*temp_ptr++ = AML_MULTI_NAME_PREFIX_OP;
+		*temp_ptr++ = AML_MULTI_NAME_PREFIX;
 		*temp_ptr++ = (char)num_name_segs;
 	} else if (2 == num_name_segs) {
 
@@ -342,7 +342,7 @@ acpi_ex_get_name_string(acpi_object_type data_type,
 			}
 			break;
 
-		case AML_MULTI_NAME_PREFIX_OP:
+		case AML_MULTI_NAME_PREFIX:
 
 			ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
 					  "MultiNamePrefix at %p\n",