add sdrplay patch

docker/scripts/install-lib.aarch64.patch

@@ -0,0 +1,40 @@
+--- sdrplay/install_lib.sh	2018-06-21 18:47:08.000000000 +0000
++++ sdrplay/install_lib_patched.sh	2019-12-15 01:49:49.477386963 +0000
+@@ -3,19 +3,7 @@
+ 
+ echo "Installing SDRplay RSP API library 2.13..."
+ 
+-more sdrplay_license.txt
+-
+-while true; do
+-    echo "Press y and RETURN to accept the license agreement and continue with"
+-    read -p "the installation, or press n and RETURN to exit the installer [y/n] " yn
+-    case $yn in
+-        [Yy]* ) break;;
+-        [Nn]* ) exit;;
+-        * ) echo "Please answer y or n";;
+-    esac
+-done
+-
+-export ARCH=`arch`
++export ARCH=`uname -m`
+ export VERS="2.13"
+ 
+ echo "Architecture: ${ARCH}"
+@@ -63,16 +51,6 @@
+     echo " "
+     exit 1
+ fi
+-
+-if /sbin/ldconfig -p | /bin/fgrep -q libusb-1.0; then
+-    echo "Libusb found, continuing..."
+-else
+-    echo " "
+-    echo "ERROR: Libusb cannot be found. Please install libusb and then run"
+-    echo "the installer again. Libusb can be installed from http://libusb.info"
+-    echo " "
+-    exit 1
+-fi
+ 
+ sudo ldconfig
+