net: fix typos

%s/Desriptor/Descriptor/g

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/drivers/net/fsl_mcdmafec.c b/drivers/net/fsl_mcdmafec.c
index 26c714c..2d89cea 100644
--- a/drivers/net/fsl_mcdmafec.c
+++ b/drivers/net/fsl_mcdmafec.c
@@ -391,7 +391,7 @@
 	/* Set Opcode/Pause Duration Register */
 	fecp->opd = 0x00010020;
 
-	/* Setup Buffers and Buffer Desriptors */
+	/* Setup Buffers and Buffer Descriptors */
 	info->rxIdx = 0;
 	info->txIdx = 0;