Add Makefiles for building drmbase and i915drm as kmods.

sys/modules/drm/Makefile

@@ -0,0 +1,24 @@
+# $NetBSD: Makefile,v 1.1 2008/05/18 20:04:03 jmcneill Exp $
+
+.PATH:	../../dev/drm
+
+KMOD=   drm
+
+SRCS=	drm_agpsupport.c
+SRCS+=	drm_auth.c
+SRCS+=	drm_bufs.c
+SRCS+=	drm_context.c
+SRCS+=	drm_dma.c
+SRCS+=	drm_drawable.c
+SRCS+=	drm_drv.c
+SRCS+=	drm_fops.c
+SRCS+=	drm_ioctl.c
+SRCS+=	drm_irq.c
+SRCS+=	drm_lock.c
+SRCS+=	drm_memory.c
+SRCS+=	drm_pci.c
+SRCS+=	drm_scatter.c
+SRCS+=	drm_sysctl.c
+SRCS+=	drm_vm.c
+
+.include <bsd.kmodule.mk>

sys/modules/i915drm/Makefile

@@ -0,0 +1,12 @@
+# $NetBSD: Makefile,v 1.1 2008/05/18 20:04:03 jmcneill Exp $
+
+.PATH:	../../dev/pci/drm
+
+KMOD=   i915drm
+
+SRCS=	i915_dma.c
+SRCS+=	i915_drv.c
+SRCS+=	i915_irq.c
+SRCS+=	i915_mem.c
+
+.include <bsd.kmodule.mk>