staging: fsl-mc/dpio: qbman_pull_desc_set_token() can be static

Fixes: 1628e2e4dc76 ("staging: fsl-mc/dpio: allow the driver to compile multi-arch")
Signed-off-by: NFengguang Wu <fengguang.wu@intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

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

@@ -522,7 +522,7 @@ void qbman_pull_desc_set_numframes(struct qbman_pull_desc *d, u8 numframes)
 	d->numf = numframes - 1;
 }
 
-void qbman_pull_desc_set_token(struct qbman_pull_desc *d, u8 token)
+static void qbman_pull_desc_set_token(struct qbman_pull_desc *d, u8 token)
 {
 	d->tok = token;
 }