Increase capture-rate to 15 on pinephone (MR 29)

config/pine64,pinephone-1.0.ini

@@ -7,7 +7,7 @@ driver=ov5640
 media-driver=sun6i-csi
 capture-width=2592
 capture-height=1944
-capture-rate=10
+capture-rate=15
 capture-fmt=BGGR8
 preview-width=1280
 preview-height=720

config/pine64,pinephone-1.1.ini

@@ -7,7 +7,7 @@ driver=ov5640
 media-driver=sun6i-csi
 capture-width=2592
 capture-height=1944
-capture-rate=10
+capture-rate=15
 capture-fmt=BGGR8
 preview-width=1280
 preview-height=720

config/pine64,pinephone-1.2.ini

@@ -7,7 +7,7 @@ driver=ov5640
 media-driver=sun6i-csi
 capture-width=2592
 capture-height=1944
-capture-rate=10
+capture-rate=15
 capture-fmt=BGGR8
 preview-width=1280
 preview-height=720