mfd: as3722: Use DEFINE_RES_IRQ_NAMED() to simplify code

No functional change.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/drivers/mfd/as3722.c b/drivers/mfd/as3722.c
index 59dfeff..38665ef 100644
--- a/drivers/mfd/as3722.c
+++ b/drivers/mfd/as3722.c
@@ -24,21 +24,11 @@
 #define AS3722_DEVICE_ID	0x0C
 
 static const struct resource as3722_rtc_resource[] = {
-	{
-		.name = "as3722-rtc-alarm",
-		.start = AS3722_IRQ_RTC_ALARM,
-		.end = AS3722_IRQ_RTC_ALARM,
-		.flags = IORESOURCE_IRQ,
-	},
+	DEFINE_RES_IRQ_NAMED(AS3722_IRQ_RTC_ALARM, "as3722-rtc-alarm"),
 };
 
 static const struct resource as3722_adc_resource[] = {
-	{
-		.name = "as3722-adc",
-		.start = AS3722_IRQ_ADC,
-		.end = AS3722_IRQ_ADC,
-		.flags = IORESOURCE_IRQ,
-	},
+	DEFINE_RES_IRQ_NAMED(AS3722_IRQ_ADC, "as3722-adc"),
 };
 
 static const struct mfd_cell as3722_devs[] = {