staging: fsl-mc/dpio: remove unused function

gcc warns that function 'qbman_pull_desc_set_token' is not used.

drivers/staging/fsl-mc/bus/dpio/qbman-portal.c:525:13: warning: ‘qbman_pull_desc_set_token’ defined but not used [-Wunused-function]

In the current code we remove that function.

Fixes: 321eecb0 ("bus: fsl-mc: dpio: add QBMan portal APIs for DPAA2")
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/fsl-mc/bus/dpio/qbman-portal.c

@@ -522,11 +522,6 @@ void qbman_pull_desc_set_numframes(struct qbman_pull_desc *d, u8 numframes)
 	d->numf = numframes - 1;
 }
 
-static void qbman_pull_desc_set_token(struct qbman_pull_desc *d, u8 token)
-{
-	d->tok = token;
-}
-
 /*
  * Exactly one of the following descriptor "actions" should be set. (Calling any
  * one of these will replace the effect of any prior call to one of these.)