Fix misspellings of "truly" in comments.

Some comments misspell "truly"; this fixes them. No code changes.

Signed-off-by: Adam Buchbinder <adam.buchbinder@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/gpu/drm/radeon/radeon_state.c b/drivers/gpu/drm/radeon/radeon_state.c
index 067167c..1982a87 100644
--- a/drivers/gpu/drm/radeon/radeon_state.c
+++ b/drivers/gpu/drm/radeon/radeon_state.c
@@ -1065,7 +1065,7 @@
 					/* judging by the first tile offset needed, could possibly
 					   directly address/clear 4x4 tiles instead of 8x2 * 4x4
 					   macro tiles, though would still need clear mask for
-					   right/bottom if truely 4x4 granularity is desired ? */
+					   right/bottom if truly 4x4 granularity is desired ? */
 					OUT_RING(tileoffset * 16);
 					/* the number of tiles to clear */
 					OUT_RING(nrtilesx + 1);