Input: spear-keyboard - fix a typo in a module name in Kconfig

A 'y' is missing in spear-keyboard.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/20200412095711.9107-1-christophe.jaillet@wanadoo.fr


Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>