zfs: Remove devicename_stubs

[imp]

Summary

We no longer need the zfs stubs since we're no longer referencing these
functions outside of zfs.c.

Sponsored by: Netflix

stand/i386/libi386/Makefile

 # $FreeBSD$
 
 .include <bsd.init.mk>
 
 LIB=                    i386
 
 SRCS=        bio.c biosacpi.c biosdisk.c biosmem.c biospnp.c \
         biospci.c biossmap.c bootinfo.c bootinfo32.c bootinfo64.c \
         comconsole.c devicename.c elf32_freebsd.c \
         elf64_freebsd.c multiboot.c multiboot_tramp.S relocater_tramp.S \
         i386_copy.c i386_module.c nullconsole.c pxe.c pxetramp.S \
         time.c vidconsole.c vbe.c amd64_tramp.S spinconsole.c
-.PATH:  ${ZFSSRC}
-SRCS+=  devicename_stubs.c
-CFLAGS+= -I${ZFSSRC}
 
 .PATH:  ${SYSDIR}/teken
 SRCS+=  teken.c
 
 .include "${BOOTSRC}/veriexec.mk"
 
 BOOT_COMCONSOLE_PORT?= 0x3f8
 CFLAGS+=        -DCOMPORT=${BOOT_COMCONSOLE_PORT}

 CFLAGS.bootinfo.c+= -I${SRCTOP}/sys/teken -I${SRCTOP}/contrib/pnglite
 CFLAGS.vbe.c+= -I${SRCTOP}/sys/teken -I${SRCTOP}/contrib/pnglite
 
 # XXX: make alloca() useable
 CFLAGS+= -Dalloca=__builtin_alloca
 
 CFLAGS+=        -I${BOOTSRC}/ficl -I${BOOTSRC}/ficl/i386 \
                 -I${LDRSRC} -I${BOOTSRC}/i386/common \
-                -I${SYSDIR}/cddl/boot/zfs \
-                -I${SYSDIR}/cddl/contrib/opensolaris/uts/common \
                 -I${SYSDIR}/contrib/dev/acpica/include
 
 # Handle FreeBSD specific %b and %D printf format specifiers
 CFLAGS+= ${FORMAT_EXTENSIONS}
 
 .include <bsd.lib.mk>

stand/libofw/Makefile

 # $FreeBSD$
 
 .include <bsd.init.mk>
 
 LIB=            ofw
 
 SRCS=   devicename.c ofw_console.c ofw_copy.c ofw_disk.c \
         ofw_memory.c ofw_module.c ofw_net.c ofw_reboot.c \
         ofw_time.c openfirm.c
-.PATH:  ${ZFSSRC}
-SRCS+=  devicename_stubs.c
-CFLAGS+=        -I${ZFSSRC} -I${SYSDIR}/cddl/boot/zfs
-CFLAGS+=        -I${SYSDIR}/cddl/contrib/opensolaris/uts/common
 
 # Pick up the bootstrap header for some interface items
 CFLAGS+=        -I${LDRSRC}
 
 .ifdef(BOOT_DISK_DEBUG)
 # Make the disk code more talkative
 CFLAGS+= -DDISK_DEBUG
 .endif
 
 .include <bsd.lib.mk>