Blackfin arch: set PM_WAKEUP_GPIO_NUMBER default to 2 for everyone

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 3a46843..1f31ea7 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -1062,7 +1062,7 @@
 	int "GPIO number"
 	range 0 47
 	depends on PM_WAKEUP_BY_GPIO
-	default 2 if BFIN537_STAMP
+	default 2
 
 choice
 	prompt "GPIO Polarity"