drm: lindent the drm directory.

I've been threatening this for a while, so no point hanging around.
This lindents the DRM code which was always really bad in tabbing department.
I've also fixed some misnamed files in comments and removed some trailing
whitespace.

Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/drm_init.c b/drivers/char/drm/drm_init.c
index 62883b7..754b934 100644
--- a/drivers/char/drm/drm_init.c
+++ b/drivers/char/drm/drm_init.c
@@ -1,5 +1,5 @@
 /**
- * \file drm_init.h 
+ * \file drm_init.c
  * Setup/Cleanup for DRM
  *
  * \author Rickard E. (Rik) Faith <faith@valinux.com>
@@ -43,10 +43,11 @@
 int drm_cpu_valid(void)
 {
 #if defined(__i386__)
-	if (boot_cpu_data.x86 == 3) return 0; /* No cmpxchg on a 386 */
+	if (boot_cpu_data.x86 == 3)
+		return 0;	/* No cmpxchg on a 386 */
 #endif
 #if defined(__sparc__) && !defined(__sparc_v9__)
-	return 0; /* No cmpxchg before v9 sparc. */
+	return 0;		/* No cmpxchg before v9 sparc. */
 #endif
 	return 1;
 }