Input: move fixp-arith.h to drivers/input

Move fixp-arith.h from drivers/usb/input to drivers/input, as the part of
force feedback support that requires trigonometric functions is being moved
there.

Signed-off-by: Anssi Hannula <anssi.hannula@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/usb/input/fixp-arith.h b/drivers/input/fixp-arith.h
similarity index 100%
rename from drivers/usb/input/fixp-arith.h
rename to drivers/input/fixp-arith.h
diff --git a/drivers/usb/input/hid-lgff.c b/drivers/usb/input/hid-lgff.c
index f07d443..7e264a8 100644
--- a/drivers/usb/input/hid-lgff.c
+++ b/drivers/usb/input/hid-lgff.c
@@ -37,7 +37,7 @@
 #include <linux/circ_buf.h>
 
 #include "hid.h"
-#include "fixp-arith.h"
+#include "../../input/fixp-arith.h"
 
 
 /* Periodicity of the update */
diff --git a/drivers/usb/input/hid-tmff.c b/drivers/usb/input/hid-tmff.c
index 534425c..bc6c54c 100644
--- a/drivers/usb/input/hid-tmff.c
+++ b/drivers/usb/input/hid-tmff.c
@@ -36,7 +36,7 @@
 #include <linux/circ_buf.h>
 
 #include "hid.h"
-#include "fixp-arith.h"
+#include "../../input/fixp-arith.h"
 
 /* Usages for thrustmaster devices I know about */
 #define THRUSTMASTER_USAGE_RUMBLE_LR	(HID_UP_GENDESK | 0xbb)