Added WM8960 Stereo CODEC

Use SoC audio framework https://reviews.freebsd.org/D27830

Tested with board BOJINGnet. WM8960 Audio HAT should be work

sys/conf/files

@@ -121,8 +121,6 @@ cam/ctl/ctl_error.c		optional ctl
 cam/ctl/ctl_util.c		optional ctl
 cam/ctl/scsi_ctl.c		optional ctl
 cam/mmc/mmc_xpt.c		optional scbus mmccam
-cam/mmc/mmc_sim.c		optional scbus mmccam
-cam/mmc/mmc_sim_if.m		optional scbus mmccam
 cam/mmc/mmc_da.c		optional scbus mmccam da
 cam/scsi/scsi_da.c		optional da
 cam/scsi/scsi_pass.c		optional pass
@@ -1881,6 +1879,7 @@ dev/iicbus/mux/iic_gpiomux.c	optional iic_gpiomux fdt
 dev/iicbus/mux/ltc430x.c	optional ltc430x
 dev/iicbus/nxprtc.c		optional nxprtc | pcf8563
 dev/iicbus/ofw_iicbus.c		optional fdt iicbus
+dev/iicbus/wm8960.c		optional wm8960
 dev/iicbus/rtc8583.c		optional rtc8583
 dev/iicbus/rtc/rx8803.c		optional rx8803 iicbus fdt
 dev/iicbus/s35390a.c		optional s35390a
@@ -3545,6 +3544,7 @@ dev/xen/netback/netback.c	optional xenhvm
 dev/xen/netfront/netfront.c	optional xenhvm
 dev/xen/xenpci/xenpci.c		optional xenpci
 dev/xen/timer/timer.c		optional xenhvm
+dev/xen/pvcpu/pvcpu.c		optional xenhvm
 dev/xen/xenstore/xenstore.c	optional xenhvm
 dev/xen/xenstore/xenstore_dev.c	optional xenhvm
 dev/xen/xenstore/xenstored_dev.c	optional xenhvm