Input: pmic8xxx-keypad - fix a Kconfig spelling mistake & hyphenation

Correct a spelling mistake (reported by codespell).
Also hyphenate "matrix-based".

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20230124233453.22893-1-rdunlap@infradead.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/keyboard/Kconfig

@@ -566,7 +566,7 @@ config KEYBOARD_PMIC8XXX
 	help
 	  Say Y here if you want to enable the driver for the PMIC8XXX
 	  keypad provided as a reference design from Qualcomm. This is intended
-	  to support upto 18x8 matrix based keypad design.
+	  to support up to 18x8 matrix-based keypad design.
 
 	  To compile this driver as a module, choose M here: the module will
 	  be called pmic8xxx-keypad.