Input: alps - fix spelling of "positive"

s/postive/positive/

Signed-off-by: Bhaskar Chowdhury <[e-mail]>
Acked-by: Randy Dunlap <[e-mail]>
Reviewed-by: Pali Rohár <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Dmitry Torokhov <[e-mail]>

drivers/input/mouse/alps.c

···
 	case V7_PACKET_ID_TWO:
 		mt[1].x &= ~0x000F;
 		mt[1].y |= 0x000F;
-		/* Detect false-postive touches where x & y report max value */
+		/* Detect false-positive touches where x & y report max value */
 		if (mt[1].y == 0x7ff && mt[1].x == 0xff0) {
 			mt[1].x = 0;
 			/* y gets set to 0 at the end of this function */