sb16: flatten mixer, common, dsp hierarchy into 2-PROGS dir

drivers/sb16/Makefile

@@ -1,7 +1,13 @@
 # Makefile for the Sound Blaster 16 (SB16) driver
 
-.include <bsd.own.mk>
+PROGS=sb16_mixer sb16_dsp
 
-SUBDIR=	common .WAIT dsp mixer
+SRCS.sb16_dsp=sb16.c sb16_dsp.c sb16_dsp_liveupdate.c
+SRCS.sb16_mixer=sb16.c sb16_mixer.c
+MAN.sb16_dsp=
+MAN.sb16_mixer=
 
-.include <bsd.subdir.mk>
+DPADD+= ${LIBDRIVER} ${LIBSYS}
+LDADD+= -ldriver -lsys
+
+.include <bsd.prog.mk>

drivers/sb16/Makefile.inc

@@ -1,13 +0,0 @@
-.include <bsd.own.mk>
-
-LIBCOMMON != cd ${.CURDIR}/../common && ${PRINTOBJDIR}
-CPPFLAGS+=-I${.CURDIR}/../common
-DPADD+= ${LIBCOMMON}/libcommon.a
-LDADD+= -L${LIBCOMMON} -lcommon
-
-DPADD+= ${LIBDRIVER} ${LIBSYS}
-LDADD+=	-ldriver -lsys
-
-.if exists(${.CURDIR}/../../Makefile.inc)
-.include "${.CURDIR}/../../Makefile.inc"
-.endif

drivers/sb16/common/Makefile

@@ -1,8 +0,0 @@
-# Makefile for the Sound Blaster 16 (SB16) common
-
-LIBISPRIVATE=   yes
-
-LIB=    common
-SRCS=   sb16.c
-
-.include <bsd.lib.mk>

drivers/sb16/dsp/Makefile

@@ -1,9 +0,0 @@
-# Makefile for the Sound Blaster 16 (SB16) dsp
-PROG=	sb16_dsp
-SRCS=	sb16_dsp.c sb16_dsp_liveupdate.c
-
-MAN=
-
-BINDIR?= /usr/sbin
-
-.include <bsd.prog.mk>

drivers/sb16/mixer/Makefile

@@ -1,9 +0,0 @@
-# Makefile for the Sound Blaster 16 (SB16) mixer
-PROG=	sb16_mixer
-SRCS=	sb16_mixer.c
-
-MAN=
-
-BINDIR?= /usr/sbin
-
-.include <bsd.prog.mk>