ACPI / PMIC: intel: initialize result to 0

Fixes compiler warning.

Signed-off-by: Felipe Balbi <[e-mail]>
Signed-off-by: Heikki Krogerus <[e-mail]>
Signed-off-by: Rafael J. Wysocki <[e-mail]>

drivers/acpi/pmic/intel_pmic.c

···
 		void *handler_context, void *region_context)
 {
 	struct intel_pmic_opregion *opregion = region_context;
-	int result;
+	int result = 0;
 
 	switch (address) {
 	case 0: