meta: minnow: Enable INPUT_EVDEV

Enable INPUT_EVDEV for the GPIO buttons to work through the event
system. Minor refactoring.

Signed-off-by: Darren Hart <dvhart@linux.intel.com>

bsp/minnow/minnow-dev.cfg

 CONFIG_DYNAMIC_DEBUG=y
+CONFIG_DEBUG_GPIO=y

bsp/minnow/minnow.cfg

@@ -66,12 +66,16 @@ CONFIG_LPC_SCH=y
 CONFIG_GPIO_SCH=y
 CONFIG_GPIO_PCH=y
 
+# Input device support
 #CONFIG_INPUT_POLLDEV=m
+
+# Userland interfaces
+CONFIG_INPUT_EVDEV=y
+
+# Input Device Drivers
 #CONFIG_KEYBOARD_GPIO=m
 CONFIG_KEYBOARD_GPIO_POLLED=y
 
-CONFIG_DEBUG_GPIO=y
-
 # Ensure the performance govenor is the default for optimal boot time
 # (Leave it to userspace to change it after boot)
 # CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set