watchdog: bcm281xx: Debugfs support

This change introduces debugfs support for the BCM281xx watchdog driver.

Signed-off-by: Markus Mayer <markus.mayer@linaro.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
diff --git a/arch/arm/configs/bcm_defconfig b/arch/arm/configs/bcm_defconfig
index fc3afd8..2519d6d 100644
--- a/arch/arm/configs/bcm_defconfig
+++ b/arch/arm/configs/bcm_defconfig
@@ -128,3 +128,4 @@
 CONFIG_PINCTRL_CAPRI=y
 CONFIG_WATCHDOG=y
 CONFIG_BCM_KONA_WDT=y
+CONFIG_BCM_KONA_WDT_DEBUG=y