Add gpio-keys kernel feature

Add a gpio-keys feature to be used with KERNEL_FEATURES.

Change-Id: I0f96b842a55b38eb573ad894f79ef4621b97e839
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/common/recipes-kernel/linux/linux-obmc/phosphor-gpio-keys.cfg b/common/recipes-kernel/linux/linux-obmc/phosphor-gpio-keys.cfg
new file mode 100644
index 0000000..f5c01be
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-obmc/phosphor-gpio-keys.cfg
@@ -0,0 +1,7 @@
+CONFIG_INPUT_KEYBOARD=y
+# CONFIG_INPUT_LEDS is not set
+# CONFIG_INPUT_MOUSDEV is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_KEYBOARD_ATKBD is not set
+CONFIG_KEYBOARD_GPIO=y
+# CONFIG_INPUT_MOUSE is not set
diff --git a/common/recipes-kernel/linux/linux-obmc/phosphor-gpio-keys.scc b/common/recipes-kernel/linux/linux-obmc/phosphor-gpio-keys.scc
new file mode 100644
index 0000000..78961af
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-obmc/phosphor-gpio-keys.scc
@@ -0,0 +1,2 @@
+define KFEATURE_DESCRIPTION "Enable gpio-keys"
+kconf non-hardware phosphor-gpio-keys.cfg