stmmac: code tidy-up

This patch tidies up the code. I have run Linden (and verified with checkpatch)
many part of the driver trying to reorganize some sections respecting the
codying-style rules in the points where it was not done.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
index 19b3a25..023b7c2 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -88,7 +88,7 @@
 			continue;
 		addr = pci_iomap(pdev, i, 0);
 		if (addr == NULL) {
-			pr_err("%s: ERROR: cannot map register memory, aborting",
+			pr_err("%s: ERROR: cannot map register memory aborting",
 			       __func__);
 			ret = -EIO;
 			goto err_out_map_failed;