fix param enumerations in fx examples

examples/fx_ap1/src/bw_example_fx_ap1.h

@@ -28,7 +28,7 @@ extern "C" {
 #include <bw_ap1.h>
 
 enum {
-	p_ap1,
+	p_cutoff,
 	p_n
 };
 

examples/fx_ap2/src/bw_example_fx_ap2.h

@@ -28,7 +28,8 @@ extern "C" {
 #include <bw_ap2.h>
 
 enum {
-	p_ap2,
+	p_cutoff,
+	p_Q,
 	p_n
 };
 

examples/fx_hp1/src/bw_example_fx_hp1.h

@@ -28,7 +28,7 @@ extern "C" {
 #include <bw_hp1.h>
 
 enum {
-	p_hp1,
+	p_cutoff,
 	p_n
 };
 

examples/fx_hs1/src/bw_example_fx_hs1.h

@@ -28,7 +28,8 @@ extern "C" {
 #include <bw_hs1.h>
 
 enum {
-	p_hs1,
+	p_cutoff,
+	p_gain,
 	p_n
 };
 

examples/fx_ls1/src/bw_example_fx_ls1.h

@@ -28,7 +28,8 @@ extern "C" {
 #include <bw_ls1.h>
 
 enum {
-	p_ls1,
+	p_cutoff,
+	p_gain,
 	p_n
 };