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.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
index 75f997b..77d534a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
@@ -142,6 +142,7 @@
 
 	return err;
 }
+
 static inline void stmmac_unregister_platform(void)
 {
 	platform_driver_unregister(&stmmac_pltfr_driver);
@@ -153,6 +154,7 @@
 
 	return 0;
 }
+
 static inline void stmmac_unregister_platform(void)
 {
 }
@@ -170,6 +172,7 @@
 
 	return err;
 }
+
 static inline void stmmac_unregister_pci(void)
 {
 	pci_unregister_driver(&stmmac_pci_driver);
@@ -181,6 +184,7 @@
 
 	return 0;
 }
+
 static inline void stmmac_unregister_pci(void)
 {
 }