Add apex to defconfig

- Add defconfig options for Gasket and Apex
- Remove apex as a required external module

Change-Id: I8f8c7261b1cf528799c2bb9e05834260c414ad95
diff --git a/defconfig b/defconfig
index 0c1f1f6..85176b1 100644
--- a/defconfig
+++ b/defconfig
@@ -31,3 +31,5 @@
 CONFIG_LOCALVERSION_AUTO=n
 CONFIG_IMX8MQ_PHANBELL_POWERSAVE=y
 CONFIG_DRM_PANEL_TIANMA_S6D6FP0A2=y
+CONFIG_STAGING_GASKET_FRAMEWORK=y
+CONFIG_STAGING_APEX_DRIVER=y
diff --git a/kernel-modules.mk b/kernel-modules.mk
index 4f12ca7..989ec2f 100644
--- a/kernel-modules.mk
+++ b/kernel-modules.mk
@@ -4,7 +4,7 @@
 
 include $(ROOTDIR)/build/preamble.mk
 
-REQUIRED_MODULES := apex
+REQUIRED_MODULES :=
 
 MODULES_DIRS := $(wildcard $(ROOTDIR)/modules/*)
 MODULES := $(foreach module,$(MODULES_DIRS),$(notdir $(module)))