Make all include directives identical

Fixes the 5 includes that are different from the majority:
grep -Ehr "#include .+dsptypes" --include=*.h | sort | uniq -c
    110 #include "dsp/dsptypes.h"
      1 #include <dsp/dsptypes.h>
      4 #include "dsptypes.h"

plugins/channelrx/demodm17/m17demodsettings.h

@@ -24,7 +24,7 @@
 #include <QByteArray>
 #include <QString>
 
-#include <dsp/dsptypes.h>
+#include "dsp/dsptypes.h"
 
 class Serializable;
 

sdrbase/dsp/channelsamplesink.h

@@ -23,7 +23,7 @@
 #define SDRBASE_DSP_CHANNELSAMPLESINK_H_
 
 #include "export.h"
-#include "dsptypes.h"
+#include "dsp/dsptypes.h"
 
 class Message;
 

sdrbase/dsp/channelsamplesource.h

@@ -23,7 +23,7 @@
 #define SDRBASE_DSP_CHANNELSAMPLESOURCE_H_
 
 #include "export.h"
-#include "dsptypes.h"
+#include "dsp/dsptypes.h"
 
 class SDRBASE_API ChannelSampleSource {
 public:

sdrbase/dsp/glspectruminterface.h

@@ -21,7 +21,7 @@
 #define SDRBASE_DSP_GLSPECTRUMINTERFACE_H_
 
 #include <vector>
-#include "dsptypes.h"
+#include "dsp/dsptypes.h"
 
 class GLSpectrumInterface
 {

sdrbase/dsp/projector.h

@@ -22,7 +22,7 @@
 #define SDRBASE_DSP_PROJECTOR_H
 
 #include "export.h"
-#include "dsptypes.h"
+#include "dsp/dsptypes.h"
 
 class SDRBASE_API Projector
 {