fix typos concerning "initiali[zs]e"

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/video/tgafb.c b/drivers/video/tgafb.c
index 1b3b1c7..aba7686 100644
--- a/drivers/video/tgafb.c
+++ b/drivers/video/tgafb.c
@@ -305,7 +305,7 @@
 	TGA_WRITE_REG(par, htimings, TGA_HORIZ_REG);
 	TGA_WRITE_REG(par, vtimings, TGA_VERT_REG);
 
-	/* Initalise RAMDAC. */
+	/* Initialise RAMDAC. */
 	if (tga_type == TGA_TYPE_8PLANE && tga_bus_pci) {
 
 		/* Init BT485 RAMDAC registers.  */