Add pizero option for csdr , avoiding NEON

csdrpizero.diff

@@ -0,0 +1,11 @@
+--- Makefile	2018-11-23 13:39:24.740234633 +0000
++++ Makefile.armv6	2018-11-23 13:49:52.312391638 +0000
+@@ -33,7 +33,7 @@
+ PARAMS_NEON = -mfloat-abi=hard -march=armv7-a -mtune=cortex-a8 -mfpu=neon -mvectorize-with-neon-quad -funsafe-math-optimizations -Wformat=0 -DNEON_OPTS
+ #tnx Jan Szumiec for the Raspberry Pi support
+ PARAMS_RASPI = -mfloat-abi=hard -mcpu=arm1176jzf-s -mfpu=vfp -funsafe-math-optimizations -Wformat=0
+-PARAMS_ARM = $(if $(call cpufeature,BCM2708,dummy-text),$(PARAMS_RASPI),$(PARAMS_NEON))
++PARAMS_ARM = $(if $(call cpufeature,ARMv6,dummy-text),$(PARAMS_RASPI),$(PARAMS_NEON))
+ PARAMS_SIMD = $(if $(call cpufeature,sse,dummy-text),$(PARAMS_SSE),$(PARAMS_ARM))
+ PARAMS_LOOPVECT = -O3 -ffast-math -fdump-tree-vect-details -dumpbase dumpvect
+ PARAMS_LIBS = -g -lm -lrt -lfftw3f -DUSE_FFTW -DLIBCSDR_GPL -DUSE_IMA_ADPCM

install.sh

@@ -7,6 +7,7 @@ sudo apt-get install -y imagemagick libfftw3-dev
 sudo apt-get install -y rtl-sdr buffer
 # We use CSDR as a dsp for analogs modes thanks to HA7ILM
 git clone https://github.com/simonyiszk/csdr
+patch -i csdrpizero.diff csdr/Makefile
 cd csdr
 make && sudo make install
 cd ../