tree-wide: fix assorted typos all over the place

That is "success", "unknown", "through", "performance", "[re|un]mapping"
, "access", "default", "reasonable", "[con]currently", "temperature"
, "channel", "[un]used", "application", "example","hierarchy", "therefore"
, "[over|under]flow", "contiguous", "threshold", "enough" and others.

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/video/vt8623fb.c b/drivers/video/vt8623fb.c
index 3df17dc..65ccd21 100644
--- a/drivers/video/vt8623fb.c
+++ b/drivers/video/vt8623fb.c
@@ -446,7 +446,7 @@
 
 	svga_wseq_mask(0x1E, 0xF0, 0xF0); // DI/DVP bus
 	svga_wseq_mask(0x2A, 0x0F, 0x0F); // DI/DVP bus
-	svga_wseq_mask(0x16, 0x08, 0xBF); // FIFO read treshold
+	svga_wseq_mask(0x16, 0x08, 0xBF); // FIFO read threshold
 	vga_wseq(NULL, 0x17, 0x1F);       // FIFO depth
 	vga_wseq(NULL, 0x18, 0x4E);
 	svga_wseq_mask(0x1A, 0x08, 0x08); // enable MMIO ?