industry/foc: Fix the wrong header file inclusion

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>

industry/foc/fixed16/foc_model_pmsm.c

@@ -28,6 +28,7 @@
 #include <assert.h>
 #include <errno.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "industry/foc/fixed16/foc_model.h"
 

industry/foc/fixed16/foc_picontrol.c

@@ -28,6 +28,7 @@
 #include <assert.h>
 #include <errno.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "industry/foc/fixed16/foc_handler.h"
 

industry/foc/fixed16/foc_svm3.c

@@ -28,6 +28,7 @@
 #include <assert.h>
 #include <errno.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "industry/foc/fixed16/foc_handler.h"
 

industry/foc/fixed16/foc_velocity.c

@@ -24,7 +24,7 @@
 
 #include <nuttx/config.h>
 
-#include <errno.h>
+#include <assert.h>
 #include <errno.h>
 
 #include "industry/foc/foc_log.h"

industry/foc/float/foc_model_pmsm.c

@@ -28,6 +28,7 @@
 #include <assert.h>
 #include <errno.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "industry/foc/float/foc_model.h"
 

industry/foc/float/foc_picontrol.c

@@ -28,6 +28,7 @@
 #include <assert.h>
 #include <errno.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "industry/foc/float/foc_handler.h"
 

industry/foc/float/foc_svm3.c

@@ -28,6 +28,7 @@
 #include <assert.h>
 #include <errno.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "industry/foc/float/foc_handler.h"
 

industry/foc/float/foc_velocity.c

@@ -24,7 +24,7 @@
 
 #include <nuttx/config.h>
 
-#include <debug.h>
+#include <assert.h>
 #include <errno.h>
 
 #include "industry/foc/foc_log.h"