Input: ti_am335x_tsc - fix a typo in a comment

change 'postion' to 'position'
Signed-off-by: Qinghua Jin <qhjin.dev@gmail.com>
Link: https://lore.kernel.org/r/20220106084215.355295-1-qhjin.dev@gmail.comSigned-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/touchscreen/ti_am335x_tsc.c

@@ -318,7 +318,7 @@ static irqreturn_t titsc_irq(int irq, void *dev)
 			/*
 			 * Calculate pressure using formula
 			 * Resistance(touch) = x plate resistance *
-			 * x postion/4096 * ((z2 / z1) - 1)
+			 * x position/4096 * ((z2 / z1) - 1)
 			 */
 			z = z1 - z2;
 			z *= x;