ACPICA: Rename ACPI bit register access functions

Rename acpi_get_register and acpi_set_register to clarify the
purpose of these functions. New names are acpi_read_bit_register
and acpi_write_bit_register.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/acpica/evmisc.c b/drivers/acpi/acpica/evmisc.c
index 5f89305..0e9e12b 100644
--- a/drivers/acpi/acpica/evmisc.c
+++ b/drivers/acpi/acpica/evmisc.c
@@ -534,8 +534,8 @@
 		 */
 		if (pending) {
 			status =
-			    acpi_set_register(ACPI_BITREG_GLOBAL_LOCK_RELEASE,
-					      1);
+			    acpi_write_bit_register
+			    (ACPI_BITREG_GLOBAL_LOCK_RELEASE, 1);
 		}
 
 		ACPI_DEBUG_PRINT((ACPI_DB_EXEC,