src: Remove unneeded whitespace

Change-Id: I6c77f4289b46646872731ef9c20dc115f0cf876d
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/29161
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/southbridge/amd/amd8111/early_ctrl.c

@@ -68,7 +68,7 @@ void enable_fid_change_on_sb(unsigned sbbusn, unsigned sbdn)
 
 	pci_write_config8(dev, 0x74, 4);
 
-	/* set VFSMAF ( VID/FID System Management Action Field) to 2 */
+	/* set VFSMAF (VID/FID System Management Action Field) to 2 */
 	pci_write_config32(dev, 0x70, 2<<12);
 
 }