kernel: Support copying modules to vendor_kernel_boot

Test: Build gs201 with source built kernel/modules, boot.
Change-Id: Ie66400ddd44cfd249e1b4710f4d1c4efa32389a4
diff --git a/build/tasks/kernel.mk b/build/tasks/kernel.mk
index 86544ca..4bdcbcb 100644
--- a/build/tasks/kernel.mk
+++ b/build/tasks/kernel.mk
@@ -394,6 +394,10 @@
 KERNEL_VENDOR_RAMDISK_MODULES_OUT := $(VENDOR_RAMDISK_FRAGMENT.dlkm.STAGING_DIR)
 KERNEL_VENDOR_RAMDISK_DEPMOD_STAGING_DIR := $(KERNEL_BUILD_OUT_PREFIX)$(call intermediates-dir-for,PACKAGING,depmod_vendor_ramdisk_fragment-stage-dlkm)
 $(INTERNAL_VENDOR_RAMDISK_FRAGMENT_TARGETS): $(TARGET_PREBUILT_INT_KERNEL)
+else ifeq ($(PRODUCT_BUILD_VENDOR_KERNEL_BOOT_IMAGE),true)
+KERNEL_VENDOR_RAMDISK_MODULES_OUT := $(TARGET_VENDOR_KERNEL_RAMDISK_OUT)
+KERNEL_VENDOR_RAMDISK_DEPMOD_STAGING_DIR := $(KERNEL_BUILD_OUT_PREFIX)$(call intermediates-dir-for,PACKAGING,depmod_vendor_kernel_ramdisk)
+$(INTERNAL_VENDOR_KERNEL_RAMDISK_TARGET): $(TARGET_PREBUILT_INT_KERNEL)
 else
 KERNEL_VENDOR_RAMDISK_MODULES_OUT := $(TARGET_VENDOR_RAMDISK_OUT)
 KERNEL_VENDOR_RAMDISK_DEPMOD_STAGING_DIR := $(KERNEL_BUILD_OUT_PREFIX)$(call intermediates-dir-for,PACKAGING,depmod_vendor_ramdisk)