[Blackfin] arch: Fix bug Only RTC interrupt can wake up deeper sleep core.

Signed-off-by: NSonic Zhang <sonic.zhang@analog.com>
Signed-off-by: NBryan Wu <bryan.wu@analog.com>

arch/blackfin/Kconfig

@@ -923,10 +923,10 @@ endchoice
 config PM_WAKEUP_SIC_IWR
 	hex "Wakeup Events (SIC_IWR)"
 	depends on PM_WAKEUP_GPIO_BY_SIC_IWR
-	default 0x80000000 if (BF537 || BF536 || BF534)
-	default 0x100000 if (BF533 || BF532 || BF531)
-	default 0x800000 if (BF54x)
-	default 0x800000 if (BF52x)
+	default 0x8 if (BF537 || BF536 || BF534)
+	default 0x80 if (BF533 || BF532 || BF531)
+	default 0x80 if (BF54x)
+	default 0x80 if (BF52x)
 
 config PM_WAKEUP_GPIO_NUMBER
 	int "Wakeup GPIO number"