greybus: lsgb: remove it, it's in the gb-utils repo

lsgb does not need to be in this repo, it gets installed as part of
gb-utils now.
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

drivers/staging/greybus/lsgb

-#!/system/bin/sh
-#
-# 'ls greybus'
-#
-# Copyright 2016 Google Inc.
-# All rights reserved.
-#
-###############################################################################
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are met:
-# 1. Redistributions of source code must retain the above copyright notice,
-# this list of conditions and the following disclaimer.
-# 2. Redistributions in binary form must reproduce the above copyright notice,
-# this list of conditions and the following disclaimer in the documentation
-# and/or other materials provided with the distribution.
-# 3. Neither the name of the copyright holder nor the names of its
-# contributors may be used to endorse or promote products derived from this
-# software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
-# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
-# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
-# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-###############################################################################
-
-# Horrid hack to just make it easier than poking around directly in sysfs
-# Don't rely on any of these fields to be stable, the layout is going to
-# change a lot over time.
-#
-
-print_interface() {
-	local devname=$1
-	local iid=`cat interface_id`
-	local vid=`cat vendor_id`
-	local pid=`cat product_id`
-	local version=`cat version`
-	local serial=`cat serial_number`
-	local vs=`cat vendor_string`
-	local ps=`cat product_string`
-	printf "  Intf %02d %s:%s %s %s v%s\n" \
-		${iid} ${vid} ${pid} "${vs}" "${ps}" ${version}
-}
-
-print_bundle() {
-	local devname=$1
-	local id=`cat bundle_id`
-	local class=`cat bundle_class`
-	local class_type="unknown"
-	case ${class} in
-		"0x01" )	class_type="SVC"
-				;;
-		"0x02" )	class_type="GPIO"
-				;;
-		"0x03" )	class_type="I2C"
-				;;
-		"0x04" )	class_type="UART"
-				;;
-		"0x05" )	class_type="HID"
-				;;
-		"0x06" )	class_type="USB"
-				;;
-		"0x07" )	class_type="SDIO"
-				;;
-		"0x08" )	class_type="Power Supply"
-				;;
-		"0x09" )	class_type="PWM"
-				;;
-		"0x0a" )	class_type="unknown"
-				;;
-		"0x0b" )	class_type="SPI"
-				;;
-		"0x0c" )	class_type="Display"
-				;;
-		"0x0d" )	class_type="Camera"
-				;;
-		"0x0e" )	class_type="Sensoe"
-				;;
-		"0x0f" )	class_type="Lights"
-				;;
-		"0x10" )	class_type="Vibrator"
-				;;
-		"0x11" )	class_type="Loopback"
-				;;
-		"0x12" )	class_type="Audio Management"
-				;;
-		"0x13" )	class_type="Audio Data"
-				;;
-		"0x14" )	class_type="SVC"
-				;;
-		"0x15" )	class_type="Firmware"
-				;;
-		"0xfe" )	class_type="Raw"
-				;;
-		"0xff" )	class_type="Vendor"
-				;;
-	esac
-	printf "    Bundle %02d Class %s (%s)\n" ${id} ${class} ${class_type}
-}
-
-print_svc() {
-	local devname=$1
-	local bus=`cat uevent | grep BUS | cut -f 2 -d '='`
-	printf "  SVC %02d\n" ${bus}
-}
-
-print_host_device() {
-	local devname=$1
-	local bus=`cat uevent | grep BUS | cut -f 2 -d '='`
-	printf "Bus %02d\n" ${bus}
-}
-
-print_unknown() {
-	local devname=$1
-
-	printf "Unknown device type: ${devname}\n"
-}
-
-
-print_device() {
-	local dev=$1
-
-	[ -d $dev ] || return
-	cd $dev
-
-	local devname=`basename ${dev}`
-	local devtype=`cat uevent | grep DEVTYPE | cut -f 2 -d '='`
-	case ${devtype} in
-		greybus_interface )	print_interface ${devname}
-					;;
-		greybus_bundle )	print_bundle ${devname}
-					;;
-		greybus_svc )		print_svc ${devname}
-					;;
-		greybus_host_device )	print_host_device ${devname}
-					;;
-		* )			print_unknown ${devname}
-					;;
-	esac
-}
-
-for device in /sys/bus/greybus/devices/*
-do
-	print_device $device
-done