northbridg/via/vx900: Doxygen fixes

- @todo has to be lowercase for doxygen
- Fix some parameters that had changed in the code.
- The @file entries needed to be more specific.

Change-Id: Icdce08735f581609cd25cce41e986c71435368a4
Signed-off-by: Martin Roth <gaumless@gmail.com>
Reviewed-on: http://review.coreboot.org/8154
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>

src/northbridge/via/vx900/chrome9hd.c

@@ -53,7 +53,7 @@
  * the IGP is able to use it. GRUB2 and linux are capable of getting a usable
  * text console, which uses the monitor's native resolution (even 1920x1080).
  * The graphical console (linux) does not work properly.
- * @TODO
+ * @todo
  * 1. Figure out what sequence we need to do to get the VGA BIOS running
  *    properly. Use the code provided by VIA and compare their sequence to ours,
  *    fill in any missing steps, etc.

src/northbridge/via/vx900/early_smbus.c

@@ -48,7 +48,8 @@ static void smbus_delays(int delays)
 /**
  * Read a byte from the SMBus.
  *
- * @param dimm The address location of the DIMM on the SMBus.
+ * @param smbus_dev The PCI address of the SMBus device .
+ * @param addr The address location of the DIMM on the SMBus.
  * @param offset The offset the data is located at.
  */
 u8 smbus_read_byte(u32 smbus_dev, u8 addr, u8 offset)

src/northbridge/via/vx900/lpc.c

@@ -30,7 +30,7 @@
 #include "chip.h"
 
 /**
- * @file lpc.c
+ * @file vx900/lpc.c
  *
  * STATUS:
  * We do a fair bit of setup, and most of it seems to work fairly well. There

src/northbridge/via/vx900/northbridge.c

@@ -36,7 +36,7 @@ static uint64_t uma_memory_base = 0;
 static uint64_t uma_memory_size = 0;
 
 /**
- * @file northbridge.c
+ * @file vx900/northbridge.c
  *
  * STATUS: Pretty good
  * One thing that needs to be thoroughly tested is the remap above 4G logic.

src/northbridge/via/vx900/pcie.c

@@ -26,7 +26,7 @@
 #include "vx900.h"
 
 /**
- * @file pcie.c
+ * @file vx900/pcie.c
  *
  * STATUS:
  * We do part of the sequence to initialize the PCIE link. The problem is that

src/northbridge/via/vx900/sata.c

@@ -24,7 +24,7 @@
 #include "vx900.h"
 
 /**
- * @file sata.c
+ * @file vx900/sata.c
  *
  * STATUS: Pretty good
  * The only issue is the SATA EPHY configuration. We do not know if it is board

src/northbridge/via/vx900/traf_ctrl.c

@@ -28,7 +28,7 @@
 #include "chip.h"
 
 /**
- * @file traf_ctrl.c
+ * @file vx900/traf_ctrl.c
  *
  * STATUS:
  * The same issues with the IOAPIC pointe in lpc.c also apply here.