Add nvme(4) and nvd(4) Makefiles to the tree.

Noticed by:	pluknet
Pointy-hat to:  jimharris

sys/modules/nvd/Makefile

@@ -0,0 +1,8 @@
+# $FreeBSD$
+
+.PATH: ${.CURDIR}/../../dev/nvd
+
+KMOD=	nvd
+SRCS=	nvd.c opt_geom.h device_if.h bus_if.h
+
+.include <bsd.kmod.mk>

sys/modules/nvme/Makefile

@@ -0,0 +1,21 @@
+# $FreeBSD$
+
+.PATH: ${.CURDIR}/../../dev/nvme
+
+KMOD = nvme
+
+SRCS =	nvme.c			\
+	nvme_ctrlr.c		\
+	nvme_ctrlr_cmd.c	\
+	nvme_ns.c		\
+	nvme_ns_cmd.c		\
+	nvme_qpair.c		\
+	nvme_sysctl.c		\
+	nvme_test.c		\
+	nvme_uio.c		\
+				\
+	bus_if.h		\
+	device_if.h		\
+	pci_if.h
+
+.include <bsd.kmod.mk>